No Dinosaur Status Author Year Length Weight ESR Area Country Region Formation Time 1 Time 2 Clade 1 Clade 2 Clade 3 Clade 4 Clade 5 Clade 6 Clade 7 Clade 8 Clade 9 Clade 10 Clade 11 Clade 12 Clade 13 Clade 14 Clade 15 Clade 16 Clade 17 Clade 18 Clade 19 Clade 20 Material Reference
1 Aardonyx celestae valid Yates et al. 2009 8,7 m 1,7 t 3 Africa South Africa Free State Upper Elliot Early Jurassic Hettangian-Sinemurian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria











Two partial skeletons (immature) with cranial fragments. Yates, A. M.; Bonnan, M. F.; Neveling, J.; Chinsamy, A.; Blackbeard, M. G. (2010). "A new transitional sauropodomorph dinosaur from the Early Jurassic of South Africa and the evolution of sauropod feeding and quadrupedalism".
2 "Abdallahsaurus" nomen nudum > Giraffatitan brancai Maier 2003 14 m 8,5 t 2 Africa Tanzania - Tendaguru Late Jurassic Tithonian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Brachiosauridae




Ulna, radius, manus, pubis, ischium and pubes ? Maier, G (2003) African Dinosaurs Unearthed: The Tendaguru Expeditions (Life of the Past).
3 Abdarainurus barsboldi valid Averianov & Lopatin 2020 25 m 30 t 2 Asia Mongolia Ömnögovi Alagteeg Late Cretaceous ? Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria



Nine caudal vertebrae and chevrons. Alexander O. Averianov & Alexey V. Lopatin (2020). An unusual new sauropod dinosaur from the Late Cretaceous of Mongolia.
4 Abelisaurus comahuensis valid Bonaparte & Novas 1985 7,2 m 1,6 t 2 South America Argentina Río Negro Anacleto Late Cretaceous Early Campanian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Ceratosauria Neoceratosauria Abelisauroidea Abelisauria Abelisauridae Brachyrostra Furileusauria Abelisaurinae





Incomplete skull. Bonaparte, J.F. & Novas, F.E. (1985). "Abelisaurus comahuensis, n.g., n.sp., Carnosauria del Crétacico Tardio de Patagonia".
5 Abelisaurus garridoi S > Aucasaurus garridoi Paul 2010





























Paul, G.S. (2010). The Princeton Field Guide to Dinosaurs.
6 Abrictosaurus consors valid Hopson 1975 0,9 m 0,8 kg 2 Africa Lesotho Qacha's Nek Upper Elliot Early Jurassic Hettangian-Sinemurian Dinosauria Ornithischia Genasauria ? Neornithischia ? Cerapoda ? Marginocephalia ? Pachycephalosauria ? Heterodontosauridae Heterodontosaurinae










Two partial skeletons (one with skull). Sereno, P. (2012). "Taxonomy, morphology, masticatory function and phylogeny of heterodontosaurid dinosaurs".
7 Abrosaurus dongpoi valid Ouyang 1989 9,5 m ? 4,1 t ? 1,5 Asia China Sichuan Lower Shaximiao Middle Jurassic Bathonian-Callovian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria ?






Two incomplete skulls. Ouyang H. (1989). A new sauropod dinosaur from Dashanpu, Zigong County, Sichuan Province (Abrosaurus dongpoensis gen. et sp. nov.).
8 Abrosaurus dongpoensis S > Abrosaurus dongpoi Ouyang 1989





























Ouyang H. (1989). A new sauropod dinosaur from Dashanpu, Zigong County, Sichuan Province (Abrosaurus dongpoensis gen. et sp. nov.).
9 "Abrosaurus gigantorhinus" nomen nudum > Abrosaurus dongpoi Ouyang 1986





























Ouyang H. (1986) Ph.D.
10 Abydosaurus mcintoshi valid Chure et al. 2010 20 m 26 t 3 North America USA Utah Cedar Mountain Early Cretaceous Late Albian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Brachiosauridae




Five individuals (Four Skulls and two fragmentary skeletons). Chure, Daniel; Britt, Brooks; Whitlock, John A.; Wilson, Jeffrey A. (2010). "First complete sauropod dinosaur skull from the Cretaceous of the Americas and the evolution of sauropod dentition".
11 Acantholipan gonzalezi valid Rivera-Sylva et al. 2018 5,7 m 1,4 t 2 North America Mexico Coahuila Pen Late Cretaceous Santonian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Ankylosauria Nodosauridae












Dorsal vertebra, caudal vertebra, rib fragment, left humerus fragment, left ulna, left femur fragment, thoracic osteodermal spine. Héctor E. Rivera-Sylva; Eberhard Frey; Wolfgang Stinnesbeck; Gerardo Carbot-Chanona; Iván E. Sanchez-Uribe; José Rubén Guzmán-Gutiérrez (2018). "Paleodiversity of Late Cretaceous Ankylosauria from Mexico and their phylogenetic significance".
12 Acanthopholis curtonotus S > Anoplosaurus curtonotus Nopcsa 1902





























F. Nopcsa, (1902), "Notizen über cretacische Dinosaurier", Sitzungsberichte der Mathematisch-Naturwissenschaftlichen Classe der Kaiserlichen Akademie der Wissenschaften.
13 Acanthopholis eucercus nomen dubium Seeley 1879 ? ? 0 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria Thyreophora ? Eurypoda ? Ankylosauria ?













Six caudal vertebrae. Seeley, H.G., (1879), "On the Dinosauria of the Cambridge Greensand".
14 Acanthopholis horrida S > Acanthopholis horridus Huxley 1867





























Huxley, T.H., (1867), "On Acanthopholis horridus, a new reptile from the Chalk-Marl.
15 Acanthopholis horridus nomen dubium Huxley 1867 4,1 m ? 500 kg ? 1 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Ankylosauria Nodosauridae












Three teeth, basicranium, dorsal vertebra ?, spikes and scutes. Pereda-Suberbiola, X. & Barrett, P.M., (1999), "A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England".
16 "Acanthopholis hughessi" nomen nudum Seeley 1869 ? ? 0 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria
















Six dorsal and seven caudal vertebrae, seven dermal plates and other fragments (probably chimera with Ornithopod). Seeley, H.G., (1869), Index to the Fossil Remains of Aves, Ornithosauria, and Reptilia from the Secondary Strata arranged in the Woodwardian Museum of the University of Cambridge.
17 "Acanthopholis keepingi" nomen nudum Seeley 1869 ? ? 0 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria
















Five dorsal and six caudal centra, rib, two chevrons, 13 dermal plates, ilium ? and other elements. Seeley, H.G., (1869), Index to the Fossil Remains of Aves, Ornithosauria, and Reptilia from the Secondary Strata arranged in the Woodwardian Museum of the University of Cambridge.
18 Acanthopholis macrocercus S > Syngonosaurus macrocercus Seeley 1869





























Pereda-Suberbiola, X. & Barrett, P.M., (1999), "A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England".
19 Acanthopholis major S > Anoplosaurus major Nopcsa 1902





























Pereda-Suberbiola, X. & Barrett, P.M., (1999), "A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England".
20 Acanthopholis platypus nomen dubium Seeley 1869 ? ? 0 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria Thyreophora ? Eurypoda ? Ankylosauria ?













Six caudal centra, phalanx (other referred material probably belonged to Sauropod). Pereda-Suberbiola, X. & Barrett, P.M., (1999), "A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England".
21 Acanthopholis stereocercus nomen dubium Seeley 1869 ? ? 0 Europe United Kingdom England Cambridge Greensand Early-Late Cretaceous Late Albian-Cenomanian Dinosauria Ornithischia Genasauria
















Caudal vertebrae, dermal spine (probably chimera with Ornithopod). Pereda-Suberbiola, X. & Barrett, P.M., (1999), "A systematic review of ankylosaurian dinosaur remains from the Albian-Cenomanian of England".
22 Acanthopholis tanyspondylus S > Eucercosaurus tanyspondylus Seeley 1878





























H. G. Seeley. (1879). On the Dinosauria of the Cambridge Greensand.
23 Achelousaurus horneri valid Sampson 1995 6 m 2,6 t 2,5 North America USA Montana Two Medicine Late Cretaceous Late Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Ceratopsoidea Ceratopsidae Centrosaurinae Eucentrosaura Pachyrhinosaurini Pachyrostra




At least 4 individuals (skulls and also postcranial fragments). Sampson, S. D. (1995). "Two new horned dinosaurs from the upper Cretaceous Two Medicine Formation of Montana; with a phylogenetic analysis of the Centrosaurinae (Ornithischia: Ceratopsidae)"
24 Acheroraptor temertyorum valid Evans, Larson & Currie 2013 2,3 m 25 kg 2 North America USA Montana Hell Creek Late Cretaceous Late Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Dromaeosauridae Eudromaeosauria Velociraptorinae

Almost complete right maxilla, referred- almost complete left dentary. Evans, D. C.; Larson, D. W.; Currie, P. J. (2013). "A new dromaeosaurid (Dinosauria: Theropoda) with Asian affinities from the latest Cretaceous of North America"
25 Achillesaurus manazzonei valid Martinelli & Vera 2007 2,8 m 30 kg 2,5 South America Argentina Neuquén Bajo de la Carpa Late Cretaceous Santonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Alvarezsauroidea Alvarezsauridae




Sacral vertebrae, Caudal vertebrae. chevron, partial ilium, proximal femur, distal tibia and other fragments. Martinelli, Agustín G.; Vera, Ezequiel I. (2007). "Achillesaurus manazzonei, a new alvarezsaurid theropod (Dinosauria) from the Late Cretaceous Bajo de la Carpa Formation, Río Negro Province, Argentina"
26 Achillobator giganticus valid Perle, Norell & Clark 1999 4,3 m 175 kg 3 Asia Mongolia Dornogovi Bayan Shireh Late Cretaceous Santonian ? Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Dromaeosauridae Eudromaeosauria Dromaeosaurinae

Partial skeleton with skull fragment. Perle, A., Norell, M.A., and Clark, J. (1999). "A new maniraptoran theropod - Achillobator giganticus (Dromaeosauridae) - from the Upper Cretaceous of Burkhant, Mongolia."
27 "Acracanthus atokaensis" nomen ex dissertatione > Acrocanthosaurus atokensis Langston 1947





























Langston, (1947). A new genus and species of Cretaceous theropod dinosaur from the Trinity of Atoka County, Oklahoma. MS Thesis, The University of Oklahoma.
28 Acristavus gagslarsoni valid Gates et al. 2011 6,4 m 1,5 t 2 North America USA Montana, Utah Two Medicine, Wahweap Late Cretaceous Early Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Ornithopoda Iguanodontia Ankylopollexia Styracosterna Hadrosauriformes Hadrosauroidea Hadrosauromorpha Hadrosauridae Saurolophinae Brachylophosaurini




Nearly complete skull and partial skeleton, referred- partial skull and cervical vertebra. Gates, T.A.; Horner, J.R.; Hanna, R.R.; Nelson, C.R. (2011). "New unadorned hadrosaurine hadrosaurid (Dinosauria, Ornithopoda) from the Campanian of North America"
29 Acrocanthosaurus altispinax S > Altispinax dunkeri Paul 1988





























Paul, (1988). Predatory Dinosaurs of the World. Simon & Schuster, New York.
30 Acrocanthosaurus atokensis valid Stovall & Langston 1950 11,5 m 5,8 t 3,5 North America USA Oklahoma, Texas,
Maryland ?, Utah ?,
Arizona ?, Wyoming
Antlers, Arundel ?,
Cedar Mountain ?, Turney Ranch ?, Paluxy ?,
Trinity Group ?, Twin Mountains, Cloverly, Woodbine ?
Early Cretaceous Aptian-Albian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Carcharodontosauria Carcharodontosauridae





Few partial skeletons (also with skulls) and many referred single bones. Stovall and Langston, (1950). Acrocanthosaurus atokensis, a new genus and species of Lower Cretaceous Theropoda from Oklahoma. The American Midland Naturalist.
Melstrom and Demic, (2011). Acrocanthosaurus atokensis (Dinosauria: Theropoda) from the Cloverly Formation of Wyoming: Implications for Early Cretaceous North American ecosystems. Journal of Vertebrate Paleontology.
Eddy and Clarke, (2008). A re-evaluation of a well-preserved skull of Acrocanthosaurus atokensis supports its carcharodontosaurid affinities.
31 Acrotholus audeti valid Evans et al. 2013 2,4 m 60 kg 2 North America Canada Alberta Milk River Late Cretaceous Late Santonian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Pachycephalosauria Pachycephalosauridae Pachycephalosaurinae ?










Two (three ?) frontoparietal domes. Evans, D. C.; Schott, R. K.; Larson, D. W.; Brown, C. M.; Ryan, M. J. (2013). "The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs"
32 Adamantisaurus mezzalirai valid Santucci & Bertini 2006 18 m 14,4 t 2 South America Brazil São Paulo Adamantina Late Cretaceous Turonian-Santonian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia

Six articulated anterior caudal vertebrae and two haemapophyses. Santucci, R. M., Bertini, R. J. (2006). "A new titanosaur from western São Paulo State, Upper Cretaceous Bauru Group, south-east Brazil".
33 Adasaurus mongoliensis valid Barsbold 1983 3,5 m 85 kg 3 Asia Mongolia Bayankhongor Nemegt Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Dromaeosauridae Eudromaeosauria Velociraptorinae

Two partial skeletons (one with skull). Barsbold, Rinchen (1983). "Carnivorous dinosaurs from the Cretaceous of Mongolia"
34 Adelolophus hutchisoni valid Gates et al. 2014 8,2 m ? 3,1 t ? 1,5 North America USA Utah Wahweap Late Cretaceous Early Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Ornithopoda Iguanodontia Ankylopollexia Styracosterna Hadrosauriformes Hadrosauroidea Hadrosauromorpha Hadrosauridae Lambeosaurinae





Partial maxilla. Terry A. Gates; Zubair Jinnah; Carolyn Levitt; Michael A. Getty (2014). "New hadrosaurid specimens from the lower-middle Campanian Wahweap Formation of Utah"
35 Adeopapposaurus mognai valid Martínez 2009 2,95 m 60 kg 3,5 South America Argentina San Juan Cañón del Colorado Early Jurassic ? Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Massospondylidae












Four partial skeletons (also with skulls). Martínez, R.N. (2009). Adeopapposaurus mognai, gen. et sp. nov (Dinosauria: Sauropodomorpha), with comments on adaptations of basal Sauropodomorpha.
36 Adratiklit boulahfa valid Maidment et al. 2019 6,6 m 1,9 t 2 Africa Morocco Fès-Meknès El Mers II Middle Jurassic Bathonian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Stegosauria













Dorsal vertebra and referred three cervical vertebrae, one dorsal vertebra and left humerus. Maidment, Susannah C. R.; Raven, Thomas J.; Ouarhache, Driss; Barrett, Paul M. (2019). "North Africa's first stegosaur: Implications for Gondwanan thyreophoran dinosaur diversity".
37 Adynomosaurus arcanus valid Prieto-Márquez et al. 2019 7,8 m 2,3 t 3 Europe Spain Lleida Conques Late Cretaceous Early Maastrichtian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Ornithopoda Iguanodontia Ankylopollexia Styracosterna Hadrosauriformes Hadrosauroidea Hadrosauromorpha Hadrosauridae ? Lambeosaurinae ?





Left scapula and many referred bones from at least a two individuals. Prieto-Márquez, A. Fondevilla, V., Sellés, A.G. Wagner, J.R. Galobart; À. (2019). "Adynomosaurus arcanus, a new lambeosaurine dinosaur from the Late Cretaceous Ibero-Armorican Island of the European Archipelago"
38 Aegyptosaurus baharijensis valid Stromer 1932 15,9 m 7,6 t 2 Africa Egypt, Niger ? Giza Governorate Bahariya, Farak ? Late Cretaceous Early Cenomanian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria



Partial skeleton (include leg bones) and some referred bones. Lapparent A.F. d. (1960) Les Dinosauriens du "Continental intercalaire" du Saharal central [The dinosaurs of the "Continental Intercalaire" of the central Sahara].
39 Aeolosaurus colhuehuapensis valid Casal et al. 2007 17,5 m 13,3 t 2 South America Argentina Chubut Lago Colhué Huapí Late Cretaceous Campanian-Maastrichtian ? Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia Aeolosaurini
Twenty-one caudal vertebrae. Casal, G.; Martínez, R. D.; Luna, M.; Sciutto, J. C.; Lamanna, M. (2007). "Aeolosaurus colhuehuapensis sp. nov. (Sauropoda, Titanosauria) de la Formación Bajo Barreal, Cretácico Superior de Argentina".
40 Aeolosaurus faustoi S > Gondwanatitan faustoi Santucci & Bertini 2001





























Santucci, Rodrigo Miloni; Bertini, Reinaldo José (2001). "Distribução paleogeográfica e biocronológica dos titanossauros (Saurischia, Sauropoda) do Grupo Bauru, Cretáceo Superior do sudeste Brasileiro".
41 Aeolosaurus maximus valid Santucci & Campos 2011 17 m 12,3 t 2,5 South America Brazil São Paulo Adamantina Late Cretaceous Turonian-Santonian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia Aeolosaurini
Partial skeleton (vertebrae, limb bones, ribs and other elements). Santucci, Rodrigo M.; de Arruda-Campos, Antonio C. (2011). "A new sauropod (Macronaria, Titanosauria) from the Adamantina Formation, Bauru Group, Upper Cretaceous of Brazil and the phylogenetic relationships of Aeolosaurini"
42 Aeolosaurus rionegrinus valid Powell 1987 18,1 m 14,7 t 3 South America Argentina Río Negro Angostura Colorada Late Cretaceous Campanian-Maastrichtian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia Aeolosaurini
Seven caudal vertebrae, limb bones and other fragments. Powell, Jaime Eduardo (1987). "The Late Cretaceous fauna of Los Alamitos, Patagonia, Argentina. Part VI. The titanosaurids"
43 Aepisaurus elephantinus nomen dubium Gervais 1852 12,3 m 3,5 t 2 Europe France Vaucluse Mont Ventoux Early Cretaceous Albian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria ? Eusauropoda ? Neosauropoda ?







Humerus. Gervais, P. (1852) Zoologie et paleontologie francaise (animaux vertebraes) (1st edition).
44 Aepyornithomimus tugrikinensis valid Tsogtbaatar et al. 2017 2,4 m 30 kg 2 Asia Mongolia Ömnögovi Djadokhta Late Cretaceous Late Campanian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Ornithomimosauria Ornithomimidae





Left pes preserved with an astragalus, complete calcaneum, and distal tarsal III. Tsogtbaatar, Kobayashi, Tsogtbaatar, Currie, Watabe; Barsbold (2017). "First Ornithomimid (Theropoda, Ornithomimosauria) from the Upper Cretaceous Djadokhta Formation of Tögrögiin Shiree, Mongolia"
45 Aerosteon riocoloradensis valid Sereno et al. 2009 7,5 m 1 t 3 South America Argentina Río Colorado Cañadon Amarillo Late Cretaceous Santonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Megaraptora Megaraptoridae








Partial skeleton with skull fragment. Referred other fragments ? Sereno, P.C., Martinez, R.N., Wilson, J.A., Varricchio, D.J., Alcober, O.A. & Larsson, H.C.E. (2009) "Evidence for Avian Intrathoracic Air Sacs in a New Predatory Dinosaur from Argentina".
46 Aetonyx palustris nomen dubium > Massospondylus carinatus ? Broom 1911 3,45 m ? 100 kg ? 1,5 Africa South Africa Free State Upper Elliot Early Jurassic Hettangian-Sinemurian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria ? Massopoda ? Massospondylidae ?












Partial postcranial skeleton. Barrett, Chapelle, Staunton, Botha & Choiniere (2019) Postcranial osteology of the neotype specimen of Massospondylus carinatus Owen, 1854 (Dinosauria: Sauropodomorpha) from the upper Elliot formation of South Africa.
47 Afromimus tenerensis valid Sereno 2017 4,3 m 120 kg 2 Africa Niger Agadez Elrhaz Early Cretaceous Aptian-Albian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Ceratosauria Neoceratosauria Abelisauroidea










Rib fragment, seven partial caudal vertebrae, two partial chevrons, tibia, fibula and fragments. Sereno, P. (2017). "Early Cretaceous ornithomimosaurs (Dinosauria: Coelurosauria) from Africa".
48 Afrovenator abakensis valid Sereno et al. 1994 6,8 m 800 kg 3,5 Africa Niger Agadez Tiourarén Middle-Late Jurassic Bathonian-Oxfordian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Megalosauroidea Megalosauridae Afrovenatorinae








Partial skeleton with partial skull. Sereno, P.C.; Wilson, J.A.; Larsson, H.C.; Dutheil, D.B.; Sues, H.D. (1994). "Early cretaceous dinosaurs from the Sahara".
49 Agathaumas flabellatus S > Triceratops flabellatus Scott 1900





























Ostrom & Wellnhofer (1986). The Munich specimen of Triceratops with a revision of the genus.
50 Agathaumas milo S > Thespesius occidentalis Cope 1874





























Cope, E. D. (1875). Report on the vertebrate paleontology of Colorado. US Government Printing Office.
51 Agathaumas monoclonius S > "Monoclonius" sphenocerus Breithaupt 1994





























Breithaupt, B. H., and Nelson, J., (1994), Dinosaur Exhibits in Wyoming: Forty-Fourth Annual Field Conference-1994.
52 Agathaumas mortuarius S > Polyonax mortuarius Cope 1874





























Cope, E.D. (1874). Report on the stratigraphy and Pliocene vertebrate paleontology of northern Colorado.
53 Agathaumas prorsus S > Triceratops prorsus Lydekker 1893





























Lydekker, R. (1893) "Some Recent Restorations of Dinosaurs"
54 Agathaumas sphenocerus S > "Monoclonius" sphenocerus Cope 1890





























Ballou, W.H., (1897). "Strange creatures of the past, Gigantic saurians of the reptilian age"
55 Agathaumas sylvestris nomen dubium Cope 1872 6,2 m 3,3 t 2,5 North America USA Wyoming Lance Late Cretaceous Late Maastrichtian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Ceratopsoidea Ceratopsidae Chasmosaurinae Triceratopsini






16 vertebrae (dorsal, sacral, caudal), partial pelvis and several ribs. Cope, E.D. (1872). "On the existence of Dinosauria in the Transition Beds of Wyoming."
56 Agilisaurus louderbacki valid Peng 1990 1,6 m 10 kg 4 Asia China Sichuan Lower Shaximiao Middle Jurassic Bathonian-Callovian Dinosauria Ornithischia Genasauria Neornithischia















Almost complete skeleton with skull. Peng, G. (1990). "A new small ornithopod (Agilisaurus louderbacki gen. et sp. nov.) from Zigong, China". Newsletter of the Zigong Dinosaur Museum (in Chinese).
57 Agilisaurus multidens S > Hexinlusaurus multidens Peng 1992





























Peng, G. (1992). "Jurassic ornithopod Agilisaurus louderbacki (Ornithopoda: Fabrosauridae) from Zigong, Sichuan, China". Vertebrata PalAsiatica (in Chinese).
58 Agnosphitys cromhallensis valid Fraser et al. 2002 0,34 m 50 g 2 Europe United Kingdom England Unnamed Late Triassic Rhaetian ? Dinosauria Silesauridae

















Ilium, referred other fragments. Mortimer - Theropod database (online).
59 Agrosaurus macgillivrayi nomen dubium Seeley 1891 2,25 m 14 kg 2 Europe United Kingdom England ? Late Triassic ? Dinosauria Saurischia Eusaurischia Sauropodomorpha















Fragmentary tibiae, distal end of left radius, sectioned ungual phalanx manus digit I, distal caudal vertebra. H. G. Seeley. 1891. On Agrosaurus macgillivrayi (Seeley), a saurischian reptile from the N.E. coast of Australia.
60 Agujaceratops mariscalensis valid Lucas, Sullivan & Hunt 2006 5,7 m 2,2 t 2 North America USA Texas Aguja Late Cretaceous Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Ceratopsoidea Ceratopsidae Chasmosaurinae







Maxilla, supraorbital horncore and dentary, referred premaxilla, parietal, squamosal, predentary, postranial, another skull material. Lucas, S.G.; Sullivan, R.M.; Hunt, A. (2006). "Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior"
61 Agujaceratops mavericus valid Lehman, Wick & Barnes 2016 5 m 1,5 t 2 North America USA Texas Aguja Late Cretaceous Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Ceratopsoidea Ceratopsidae Chasmosaurinae







Almost complete skull, reffered horncore, squamosal. Lehman, T.M., Wick, S.L., & Barnes, K.R. (2016) New specimens of horned dinosaurs from the Aguja Formation of West Texas, and a revision of Agujaceratops.
62 Agustinia ligabuei valid Bonaparte 1999 16,7 m 9,8 t 2,5 South America Argentina Neuquén Lohan Cura Early Cretaceous Aptian-Albian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria ? Eutitanosauria ? Lithostrotia ?

Eighteen vertebrae (dorsal, sacral, caudal), dermal ossifications and leg bones. Bonaparte, J.F. (1999). An armoured sauropod from the Aptian of northern Patagonia, Argentina
63 Ahshislepelta minor valid Burns & Sullivan 2011 4,8 m 1 t 2 North America USA New Mexico Kirtland Late Cretaceous Late Campanian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Ankylosauria Ankylosauridae Ankylosaurinae ?











Partial left girdle and forelimb, partial scapulocoracoid, vertebral fragments, complete and fragmentary thoracic osteoderms, and other unidentifiable fragments. Burns, M.E. & Sullivan, R.M. (2011) A new ankylosaurid from the Upper Cretaceous Kirtland Formation, San Juan Basin, with comments on the diversity of ankylosaurids in New Mexico.
64 "Airakoraptor" nomen nudum > Velociraptor mongoliensis Perle, Norell & Clark 1999 1,95 m 15 kg 2 Asia Mongolia Ömnögovi Barun Goyot Late Cretaceous Earliest Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Dromaeosauridae Eudromaeosauria Velociraptorinae

Partial skeleton including parts of skull, mandible, vertebrae, ulna, manus, ilium, and pes. Perle, Norell and Clark, (1999). A new maniraptoran Theropod - Achillobator giganticus (Dromaeosauridae) - from the Upper Cretaceous of Burkhant, Mongolia.
65 Ajancingenia yanshini S > Heyuannia yanshini Easter 2013





























Funston, G. F.; Mendonca, S. E.; Currie, P. J.; Barsbold, R. (2017). "Oviraptorosaur anatomy, diversity and ecology in the Nemegt Basin"
66 Ajkaceratops kozmai valid Ösi et al. 2010 1 m 15 kg 2 Europe Hungary Veszprém Csehbánya Late Cretaceous Santonian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Protoceratopsidae ?









Fused premaxillae and rostral bones with fragments of the maxillae, referred four predentary bones. Õsi, Attila; Butler, R.J.; Weishampel, David B. (2010). "A Late Cretaceous ceratopsian dinosaur from Europe with Asian affinities"
67 Akainacephalus johnsoni valid Wiersma & Irmis 2018 3,8 m 500 kg 3,5 North America USA Utah Kaiparowits Late Cretaceous Late Campanian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Ankylosauria Ankylosauridae Ankylosaurinae Ankylosaurini










Partial skeleton comprising a complete skull. Wiersma, J.P & Irmis, R.B. (2018) A new southern Laramidian ankylosaurid, Akainacephalus johnsoni gen. et sp. nov., from the upper Campanian Kaiparowits Formation of southern Utah, USA.
68 Alamosaurus sanjuanensis valid Gilmore 1922 26 m 38 t 3 North America USA New Mexico, Texas, Utah Ojo Alamo, Kirtland, North Horn, Javelina,
El Picacho, Black Peaks
Late Cretaceous Maastrichtian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia Saltasauridae Opisthocoelicaudinae ? Many individuals (mostly juvenile and subadult). Gilmore, C.W. (1922). "A new sauropod dinosaur from the Ojo Alamo Formation of New Mexico".
D'Emic, M. (2012) "The early evolution of titanosauriform sauropod dinosaurs".
Lehman, T.M.; Coulson, A.B. (2002). "A juvenile specimen of the sauropod Alamosaurus sanjuanensis from the Upper Cretaceous of Big Bend National Park, Texas".
69 "Alamotyrannus brinkmani" nomen nudum Dalman & Lucas 2013 11 m ? 6 t ? 1 North America USA New Mexico Ojo Alamo Late Cretaceous Middle Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae




Two fragmentary skulls, other material ? Dalman and Lucas, (in press ?). A new large tyrannosaurid Alamotyrannus brinkmani, n. gen., n. sp. (Theropoda: Tyrannosauridae), from the Upper Cretaceous Ojo Alamo Formation (Naashoibito Member), San Juan Basin, New Mexico.
70 "Alashansaurus maortuensis" nomen ex dissertatione > Shaochilong maortuensis Chure 2000





























Brusatte, S.; Benson, R.; Chure, D.; Xu, X.; Sullivan, C.; Hone, D. (2009). "The first definitive carcharodontosaurid (Dinosauria: Theropoda) from Asia and the delayed ascent of tyrannosaurids".
71 Alaskacephale gangloffi valid Sullivan 2006 1,8 m ? 25 kg ? 1 North America USA Alaska Prince Creek Late Cretaceous Late Campanian-Maastrichtian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Pachycephalosauria Pachycephalosauridae Pachycephalosaurinae










Nearly complete left squamosal. Sullivan, RM (2006). "A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia)".
72 Albalophosaurus yamaguchiorum valid Ohashi & Barrett 2009 0,9 m ? 10 kg ? 1,5 Asia Japan Ishikawa Kuwajima Early Cretaceous Valanginian-Hauterivian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia












Incomplete skull. Ohashi, T.; Barrett, P. M. (2009). "A new ornithischian dinosaur from the Lower Cretaceous Kuwajima Formation of Japan".
73 Albertaceratops eatoni S > Diabloceratops eatoni Paul 2010





























Paul, G.S., (2010), The Princeton Field Guide to Dinosaurs.
74 Albertaceratops nesmoi valid Ryan 2007 6,2 m 2,8 t 2,5 North America Canada Alberta Oldman Late Cretaceous Middle Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Marginocephalia Ceratopsia Neoceratopsia Coronosauria Ceratopsoidea Ceratopsidae Centrosaurinae







Nearly complete skull and postcranial elements. Ryan, M.J. (2007). A new basal centrosaurine ceratopsid from the Oldman Formation, southeastern Alberta.
75 Albertadromeus syntarsus valid Brown et al. 2013 1,25 m 3,6 kg 2 North America Canada Alberta Oldman Late Cretaceous Middle Campanian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Ornithopoda Parksosauridae Orodrominae











Cervical rib, two dorsal vertebrae, caudal vertebra, ossified tendons, left tibia and fibula, fragment of right fibula, and fragmentary metatarsal and ungual. Brown, C. M.; Evans, D. C.; Ryan, M. J.; Russell, A. P. (2013). "New data on the diversity and abundance of small-bodied ornithopods (Dinosauria, Ornithischia) from the Belly River Group (Campanian) of Alberta".
76 Albertavenator curriei valid Evans et al. 2017 2,5 m ? 35 kg ? 1 North America Canada Alberta Horseshoe Canyon Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Troodontidae



Incomplete left frontal, referred fragmentary right frontal, other material ? Evans, D.C.; Cullen, T.M.; Larson, D.W.; Rego, A. (2017). "A new species of troodontid theropod (Dinosauria: Maniraptora) from the Horseshoe Canyon Formation (Maastrichtian) of Alberta, Canada".
77 Albertonykus borealis valid Longrich & Currie 2009 1,2 m 3 kg 2,5 North America Canada Alberta Horseshoe Canyon Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Alvarezsauroidea Alvarezsauridae Parvicursorinae Mononykini ?


Left ulna and referred leg bones. Longrich, Nicholas R.; Currie, Philip J. (2009). "Albertonykus borealis, a new alvarezsaur (Dinosauria: Theropoda) from the Early Maastrichtian of Alberta, Canada: Implications for the systematics and ecology of the Alvarezsauridae".
78 Albertosaurus arctunguis S > Albertosaurus sarcophagus Parks 1928 9 m 2,6 t 3,5

























Partial skeleton. Russell, (1970). Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Science Publications in Palaeontology.
79 "Albertosaurus" incrassatus nomen dubium von Huene 1932 6,8 m ? 1,4 t ? 0,5 North America USA Montana Judith River Late Cretaceous Late Campanian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae Albertosaurinae



Two first maxillary teeth (juvenile and subadult). Cope, (1876). Descriptions of some vertebrate remains from the Fort Union Beds of Montana.
80 Albertosaurus lancensis S > Tyrannosaurus rex Russell 1970





























Russell, (1970). Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Science Publications in Palaeontology.
81 Albertosaurus libratus S > Gorgosaurus libratus Russell 1970





























Russell, (1970). Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Science Publications in Palaeontology.
82 Albertosaurus "megagracilis" S > Tyrannosaurus rex Paul 1988





























Paul, (1988). Predatory Dinosaurs of the World.
83 Albertosaurus novojilovi S > Tarbosaurus bataar Mader & Bradley 1989





























Mader and Bradley, (1989). A redescription and revised diagnosis of the syntypes of the Mongolian tyrannosaur Alectrosaurus olseni.
84 Albertosaurus olseni S > Alectrosaurus olseni Paul 1988





























Paul, (1988). Predatory Dinosaurs of the World.
85 "Albertosaurus" periculosus nomen dubium Riabinin 1930 6,7 m ? 1,3 t ? 0,5 Asia China Heilongjiang Yuliangze Late Cretaceous Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae




Teeth, phalanx, referred other teeth ? Riabinin, (1930). On the age and fauna of the dinosaur beds on the Amur River. Zapiski Rossiiskogo minyeralogichyeskogo obshchyestva.
86 Albertosaurus sarcophagus valid Osborn 1905 9,3 m 2,9 t 4 North America Canada Alberta Horseshoe Canyon Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae Albertosaurinae



At least 30 individuals. Carr, W., (2010) "A taxonomic assessment of the type series of Albertosaurus sarcophagus and the identity of Tyrannosauridae (Dinosauria, Coelurosauria) in the Albertosaurus bonebed from the Horseshoe Canyon Formation.
87 Albertosaurus sternbergi S > Gorgosaurus libratus Russell 1970





























Russell, (1970). Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Science Publications in Palaeontology.
88 Albinykus baatar valid Nesbitt et al. 2011 0,6 m 0,35 kg 3 Asia Mongolia Dornogovi Javkhlant Late Cretaceous Santonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Alvarezsauroidea Alvarezsauridae Parvicursorinae Ceratonykini


Right ilium, partial ischium, fragmentary right femur, right tibia, fragmentary fibulae, complete right and left pedes. Nesbitt SJ, Clarke JA, Hamilton AH, Norell MA. (2011). A small alvarezsaurid from the eastern Gobi Desert offers insight into evolutionary patterns in the Alvarezsauroidea.
89 Alcovasaurus longispinus valid Galton & Carpenter 2016 6,1 m 1,5 t 2,5 North America USA Wyoming Morrison Late Jurassic Kimmeridgian-Tithonian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Stegosauria Stegosauridae Dacentrurinae











Forty two vertebrae, sacrum, three anterior caudal centra, parts of both ilia and ischia, left pubis, right femur and dermal caudal spines. Referred large spike ? Francisco Costa & OctÃvio Mateus (2019) Dacentrurine stegosaurs (Dinosauria): A new specimen of Miragaia longicollum from the Late Jurassic of Portugal resolves taxonomical validity and shows the occurrence of the clade in North America.
90 Alectrosaurus olseni valid Gilmore 1933 5,8 m 600 kg 2,5 Asia China Inner Mongolia Iren Dabasu Late Cretaceous Late Campanian-Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria






Leg bones, two manual unguals ? Mader, B.J.; Bradley, R.L. (1989). "A redescription and revised diagnosis of the syntypes of the Mongolian tyrannosaur Alectrosaurus olseni".
91 Alectrosaurus periculosus S > "Albertosaurus" periculosus Olshevsky 1991





























Riabinin, (1930). On the age and fauna of the dinosaur beds on the Amur River. Zapiski Rossiiskogo minyeralogichyeskogo obshchyestva.
92 Aletopelta coombsi valid Ford & Kirkland 2001 5,6 m 1,4 t 3 North America USA California Point Loma Late Cretaceous Late Campanian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Ankylosauria Ankylosauridae












Partial skeleton- eight teeth, limb bones, fragmentary scapulae, right ischium ?, vertebrae, fragmentary ribs, osteoderms and other bones. Arbour, Victoria M.; Currie, Philip J. (2016). "Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs".
93 Algoasaurus bauri nomen dubium Broom 1904 4,8 m ? 300 kg ? 1 Africa South Africa Eastern Cape Kirkwood Early Cretaceous Berriasian-Valanginian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Diplodocoidea ? Diplodocimorpha ? Rebbachisauridae ?




Fragmentary vertebrae, femur, incomplete scapula, phalanx. McPhee, B. W., Mannion, P. D., de Klerk, W. J., & Choiniere, J. N. (2016). High diversity in the sauropod dinosaur fauna of the Lower Cretaceous Kirkwood Formation of South Africa: Implications for the Jurassic–Cretaceous transition.
94 Alioramus altai valid Brusatte et al. 2009 5 m 380 kg 3 Asia Mongolia Bayankhongor Nemegt Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae Tyrannosaurinae ? Alioramini ?


Partial skeleton with skull. Norell, Mark A.; Balanoff, Amy M.; Brusatte, Stephen L.; Bever, Gabe S. (2011). "Variation, Variability, and the Origin of the Avian Endocranium: Insights from the Anatomy of Alioramus altai (Theropoda: Tyrannosauroidea)".
95 Alioramus remotus valid Kurzanov 1976 5,5 m 500 kg 3 Asia Mongolia Bayankhongor Beds of Nogon-Tsav Late Cretaceous Early Maastrichtian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Tyrannosauroidea Pantyrannosauria Eutyrannosauria Tyrannosauridae Tyrannosaurinae ? Alioramini ?


Incomplete skull with fragmentary skeleton. Kurzanov, Sergei M. (1976) "A new carnosaur from the Late Cretaceous of Nogon-Tsav, Mongolia".
96 Alioramus sinensis S > Qianzhousaurus sinensis Carr et al. 2017





























Carr, Thomas D.; Varricchio, David J.; Sedlmayr, Jayc C.; Roberts, Eric M.; Moore, Jason R. (2017). "A new tyrannosaur with evidence for anagenesis and crocodile-like facial sensory system".
97 Aliwalia rex S > Eucnemesaurus fortis Galton 1985





























Yates, A.M. (2007). Solving a dinosaurian puzzle: the identity of Aliwalia rex Galton.
98 Allosaurus amplexus S > Epanterias amplexus Paul 1988





























Paul, (1988). Predatory Dinosaurs of the World.
99 Allosaurus amplus S > "Camptonotus" amplus Galton et al. 2015





























Galton, Carpenter and Dalman, 2015. The holotype pes of the Morrison dinosaur Camptonotus amplus Marsh, 1879 (Upper Jurassic, western USA) - Is it Camptosaurus, Sauropoda or Allosaurus?
100 Allosaurus antunesi S > Lourinhanosaurus antunesi Paul 2010





























Paul, G.S., (2010), The Princeton Field Guide to Dinosaurs.
101 Allosaurus atrox S > Creosaurus atrox Paul 1987





























Marsh, (1878). Notice of new dinosaurian reptiles. American Journal of Science and Arts.
102 Allosaurus "carnegeii" nomen nudum > Allosaurus fragilis Levin 2003 7,7 m 1,25 t 2 North America USA Utah Morrison Late Jurassic Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Partial skull, mandible, incomplete skeleton lacking forelimbs and including femur, tibia, and metatarsal III. Levin and Gurney, 2003. Dinosaur family values.
103 Allosaurus europaeus valid Mateus et al. 2006 8 m 1,3 t 2,5 Europe Portugal Lisbon, Leiria ? Lourinhã, Alcobaça ? Late Jurassic Kimmeridgian-Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Posterior skull, sclerotic ring, posterior mandible, fourth to sixth cervical vertebrae, fourth to sixth cervical ribs. Referred other material ? Mateus, Octávio; Walen, Aart; Antunes, Miguel Telles (2006). "The large theropod fauna of the Lourinha Formation (Portugal) and its similarity to that of the Morrison Formation, with a description of a new species of Allosaurus".
104 Allosaurus ferox nomen dubium Marsh 1896 4,9 m ? 300 kg ? 1 North America USA Wyoming Morrison Late Jurassic Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Partial skull, dentaries, surangular fragment, dorsal central fragment, dorsal rib fragments, scapular fragment ?, incomplete pedal ungual. Marsh, (1896). The dinosaurs of North America. United States Geological Survey.
105 Allosaurus fragilis valid Marsh 1877 10,4 m 2,9 t 4 North America USA Colorado, Montana, New Mexico, Oklahoma, South Dakota, Utah, Wyoming Morrison Late Jurassic Kimmeridgian-Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Many skeletons also with skulls (juvenile and adult). Madsen, J.H.Jr. (1993) [1976]. Allosaurus fragilis: A Revised Osteology.
Paul, G.S. (1988). "Genus Allosaurus". Predatory Dinosaurs of the World.
Glut, Donald F. (1997). "Allosaurus". Dinosaurs: The Encyclopedia.
106 Allosaurus jimmadseni valid Chure & Loewen 2020 7,6 m 1,2 t 4 North America USA Utah, Wyoming, Colorado, South Dakota Morrison Late Jurassic Late Kimmeridgian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






At least several individuals (include almost complete skeletons and skulls). Chure, (2000). A new species of Allosaurus from the Morrison Formation of Dinosaur National Monument (Utah-Colorado) and a revision of the theropod family Allosauridae.
Chure DJ, Loewen MA. (2020). Cranial anatomy of Allosaurus jimmadseni, a new species from the lower part of the Morrison Formation (Upper Jurassic) of Western North America.
107 Allosaurus lucaris S > Labrosaurus lucaris Marsh 1878





























Marsh, (1878). Notice of new dinosaurian reptiles.
108 Allosaurus lucasi S > Allosaurus fragilis ? Dalman 2014 7,6 m 1,15 t 3 North America USA Colorado Morrison Late Jurassic Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Two partial skeletons with fragmentary skulls. Dalman, S.G., (2014). "Osteology of a large allosauroid theropod from the Upper Jurassic (Tithonian) Morrison Formation of Colorado, USA.
109 Allosaurus maximus S > Saurophaganax maximus Smith 1998





























Smith, (1998). A morphometric analysis of Allosaurus.
110 "Allosaurus" medius nomen dubium Marsh 1888 9,2 m ? 2,5 t ? 0,5 North America USA Maryland Arundel Early Cretaceous Aptian-Albian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea ? Allosauria ? Carcharodontosauria ? Carcharodontosauridae ?





Tooth, referred other material ? (teeth ? other fragments ?). Marsh, (1888). Notice of a new genus of Sauropoda and other new dinosaurs from the Potomac Formation.
111 Allosaurus meriani S > Ceratosaurus meriani Olshevsky 1978





























Olshevsky, (1978). The archosaurian taxa (excluding the Crocodylia).
112 "Allosaurus robustus" nomen dubium Chure 2000 4,8 m ? ? 1 Australia Australia Victoria Wonthaggi Early Cretaceous Late Barremian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Megaraptora









Astragalus. Glut, (2003). Dinosaurs - The Encyclopedia - Supplement 3.
113 "Allosaurus" sibricus nomen dubium Riabinin 1915 8,4 m ? 1,4 t ? 1 Asia Russia Chitinskaya Oblast Tignin Early Cretaceous Berraisian-Hauterivian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Megaraptora









Distal metatarsal II. Riabinin, (1915). Zamtka o dinozavry ise Zabaykalya [A note on a dinosaur from the trans-Baikal region].
114 Allosaurus stechowi S > Ostafrikasaurus stechowi Glut 1997





























Glut, (1997). Dinosaurs - The Encyclopedia.
115 "Allosaurus" tendagurensis nomen dubium Janensch 1925 10,6 m ? 4,4 t ? 1,5 Africa Tanzania Mtwara Tendaguru Late Jurassic Late Kimmeridgian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda ? Carnosauria ? Allosauroidea ? Allosauria ? Carcharodontosauria ?






Incomplete tibia. Rauhut, (2011). Theropod dinosaurs from the Late Jurassic of Tendaguru (Tanzania).
116 "Allosaurus" trihedrodon nomen dubium Glut 1997 ? ? 0 North America USA Colorado Morrison Late Jurassic Kimmeridgian-Tithonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda














Dentary, eight teeth, referred femur ?, tibia ?, skull fragments ?, other bones ? Chure, (2001). On the type and referred material of Laelaps trihedrodon Cope 1877 (Dinosauria: Theropoda).
117 Allosaurus valens S > Antrodemus valens von Huene 1932





























Huene, (1932). Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte. Monographien zur Geologie und Palaeontologie.
118 Allosaurus "whitei" nomen nudum > Allosaurus fragilis Pickering 1995 8,5 m 1,7 t 3 North America USA Wyoming Morrison Late Jurassic Kimmeridgian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Carnosauria Allosauroidea Allosauria Allosauridae






Incomplete skull, cervical and dorsal vertebrae, sacrum, ilium, pubes, proximal ischia. Pickering, (1995). The Lost World: One more piece of the puzzle. A Fractal Scaling in Dinosaurology Project.
119 Almas ukhaa valid Pei et al. 2017 0,75 m 1 kg 3 Asia Mongolia Ömnögovi Djadokhta Late Cretaceous Late Campanian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Paraves Troodontidae



Skull and mandible and with partial articulated postcranial skeleton. Pei, R.; Norell, M.A.; Barta, D.E.; Bever, G.S.; Pittman, M.; Xu, Xing (2017). "Osteology of a New Late Cretaceous Troodontid Specimen from Ukhaa Tolgod, Ömnögovi Aimag, Mongolia".
120 Alnashetri cerropoliciensis valid Makovicky et al. 2012 0,7 m 0,5 kg 2 South America Argentina Río Negro Candeleros Late Cretaceous Cenomanian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Alvarezsauroidea Alvarezsauridae




Leg bones, referred almost complete skeleton. Makovicky, P. J.; Apesteguía, S. N.; Gianechini, F. A. (2012). "A New Coelurosaurian Theropod from the La Buitrera Fossil Locality of Río Negro, Argentina".
121 Alocodon kuehnei nomen dubium Thulborn 1973 0,95 m ? 2 kg ? 0,5 Europe Portugal Beira Litoral Cabaços Late Jurassic Oxfordian Dinosauria Ornithischia Genasauria Neornithischia















Teeth. Thulborn, R.A. (1975). "Teeth of ornithischian dinosaurs from the Upper Jurassic of Portugal, with description of a hypsilophodontid (Phyllodon henkeli gen. et sp. nov.) from the Guimarota lignite".
122 Altirhinus kurzanovi valid Norman 1998 7,9 m 2,2 t 3 Asia Mongolia Dornogovi Khuren Dukh Early Cretaceous Albian Dinosauria Ornithischia Genasauria Neornithischia Cerapoda Ornithopoda Iguanodontia Ankylopollexia Styracosterna Hadrosauriformes Hadrosauroidea








Five partial skeletons (also with skulls). Norman, D.B. (1998). On Asian ornithopods (Dinosauria, Ornithischia). 3. A new species of iguanodontid dinosaur.
123 Altispinax altispinax S > Altispinax dunkeri Rauhut 2000





























Rauhut, (2000). The interrelationships and evolution of basal theropods (Dinosauria, Saurischia).
124 Altispinax dunkeri nomen dubium von Huene 1923 5,3 m ? 500 kg ? 1,5 Europe United Kingdom England Hastings Beds Early Cretaceous Berriasian-Valanginian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides ? Avetheropoda ? Carnosauria ? Allosauroidea ? Allosauria ? Carcharodontosauria ?






Three articulated nearly complete posterior dorsal vertebrae, two vertebrae (lost) ?, two ribs (lost) ?, other material referred ? Maisch, M.W. (2016). The nomenclatural status of the carnivorous dinosaur genus Altispinax v. Huene, 1923 (Saurischia, Theropoda) from the Lower Cretaceous of England.
125 Altispinax kwangshiensis S > "Prodeinodon" kwangshiensis Ruiz-Omenaca & Canudo 2003





























Ruiz-Omeñaca, J. I. & Canudo, J. I. (2003): Un nuevo dinosaurio terópodo (»Prodeinodon« sp.) en el Cretácico Inferior de La Cantalera (Teruel).
126 Altispinax "lydekkerhueneorum" nomen nudum > Altispinax dunkeri Pickering 1984





























Pickering, (1995). Jurassic Park: Unauthorized Jewish Fractals in Philopatry, A Fractal Scaling in Dinosaurology Project, 2nd revised printing.
127 Altispinax mongoliensis S > Prodeinodon mongoliensis Ruiz-Omenaca & Canudo 2003





























Ruiz-Omeñaca, J. I. & Canudo, J. I. (2003): Un nuevo dinosaurio terópodo (»Prodeinodon« sp.) en el Cretácico Inferior de La Cantalera (Teruel).
128 Altispinax oweni S > Valdoraptor oweni von Huene 1923





























Huene, (1923). Carnivorous Saurischia in Europe since the Triassic. Bulletin of the Geological Society of America.
129 Altispinax parkeri S > Metriacanthosaurus parkeri von Huene 1932





























Huene, (1932). Die fossile Reptil-Ordnung Saurischia, ihre Entwicklung und Geschichte. Monographien zur Geologie und Palaeontologie.
130 Altispinax tibetensis S > Prodeinodon "tibetensis" Ruiz-Omenaca & Canudo 2003





























Ruiz-Omeñaca, J. I. & Canudo, J. I. (2003): Un nuevo dinosaurio terópodo (»Prodeinodon« sp.) en el Cretácico Inferior de La Cantalera (Teruel).
131 Alvarezsaurus calvoi valid Bonaparte 1991 1,05 m 1,7 kg 3 South America Argentina Neuquén Bajo de la Carpa Late Cretaceous Santonian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Alvarezsauroidea Alvarezsauridae




Partial skeleton. Bonaparte, (1991). Los vertebrados fósiles de la Formación Rio Colorado, de la Ciudad de Neuquén y Cercanías, Cretácico Superior, Argentina.
132 Alwalkeria maleriensis valid Chatterjee & Creisler 1994 1,1 m 2 kg 2 Asia India Andhra Pradesh Maleri Late Triassic Late Carnian-Early Norian Dinosauria Saurischia

















Dorsal vertebra, incomplete femur, astragalus. Chatterjee and Creisler, (1994). Alwalkeria (Theropoda) and Morturneria (Plesiosauria), new names for preoccupied Walkeria Chatterjee, 1987 and Turneria Chatterjee and Small, 1989.
133 Alxasaurus elesitaiensis valid Russell & Dong 1994 3,8 m 400 kg 3,5 Asia China Inner Mongolia Bayan Gobi Early Cretaceous Aptian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Therizinosauria Therizinosauroidea




At least five partial skeletons (also with skulls fragments). Russell and Dong, (1994). The affinities of a new theropod from the Alxa Desert, Inner Mongolia, People’s Republic of China.
134 Amanzia greppini valid Schwarz et al. 2020 6,3 m 1 t 3 Europe Switzerland Solothurn Reuchenette Late Jurassic Early Kimmeridgian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Turiasauria







At least four individuals. Schwarz et al. (2020). Re-description of the sauropod dinosaur Amanzia (“Ornithopsis/Cetiosauriscus”) greppini n. gen. and other vertebrate remains from the Kimmeridgian (Late Jurassic) Reuchenette Formation of Moutier, Switzerland.
135 Amargasaurus cazaui valid Salgado & Bonaparte 1991 13,5 m 3,5 t 3,5 South America Argentina Neuquén La Amarga Early Cretaceous Barremian-Early Aptian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Diplodocoidea Diplodocimorpha Flagellicaudata Dicraeosauridae



Virtually complete skeleton, including a fragmentary skull. Salgado, L.; Bonaparte, J. F. (1991). "Un nuevo sauropodo Dicraeosauridae, Amargasaurus cazaui gen. et sp. nov., de la Provincia del Neuquén, Argentina".
136 "Amargasaurus groeberi" nomen nudum > Amargasaurus cazaui Bonaparte 1984





























Bonaparte (1984) Sulle Orme dei Dinosauri.
137 Amargasaurus sattleri S > Dicraeosaurus sattleri Salgado 1999





























Salgado, L., (1999), The macroevolution of the Diplodocimorpha (Dinosauria; Sauropoda): a developmental model: Ameghiniana.
138 "Amargastegos brevicollus" nomen nudum Ulansky 2014 3,3 m ? 230 kg ? 1 South America Argentina Neuquén La Amarga Early Cretaceous Barremian-Early Aptian Dinosauria Ornithischia Genasauria Thyreophora Eurypoda Stegosauria













Supraorbital, two cervical vertebrae, an isolated cervical prezygapophysis, rib fragment, caudal centrum, a cervical plates. Ulansky, R. E., (2014). Evolution of the stegosaurs (Dinosauria; Ornithischia).
139 Amargatitanis macni valid Apesteguía 2007 12 m 3,1 t 2,5 South America Argentina Neuquén La Amarga Early Cretaceous Barremian-Early Aptian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Diplodocoidea Diplodocimorpha Flagellicaudata Dicraeosauridae



Two caudal vertebrae, incomplete right ischium, right femur, incomplete right tibia, incomplete right fibula, a right astragalus, and an incomplete right metatarsal I. Ariel Gallina, Pablo (2016). "Reappraisal Of The Early Cretaceous Sauropod Dinosaur Amargatitanis macni (Apesteguía, 2007), From Northwestern Patagonia, Argentina".
140 Amazonsaurus maranhensis valid Carvalho et al. 2003 10,5 m 2,5 t 2 South America Brazil Maranhão Itapecuru Early Cretaceous Aptian-Albian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Diplodocoidea Diplodocimorpha Rebbachisauridae




Vertebrae, neural spines, chevrons, ilium, partial pubis, and three ribs. Carvalho, I.S., Avilla, L.S., & Salgado, L. (2003). Amazonsaurus maranhensis gen. et sp. nov. (Sauropoda, Diplodocoidea) from the Lower Cretaceous (Aptian–Albian) of Brazil.
141 Ambopteryx longibrachium valid Wang et al. 2019 0,32 m 0,3 kg 4 Asia China Liaoning equivalent Haifanggou Late Jurassic Oxfordian Dinosauria Saurischia Eusaurischia Theropoda Neotheropoda Averostra Tetanurae Orionides Avetheropoda Coelurosauria Tyrannoraptora Maniraptoriformes Maniraptora Pennaraptora Oviraptorosauria Scansoriopterygidae



Articulated and nearly complete skeleton with associated soft tissue preserved on a slab and counter slab. Wang, Min; O’Connor, Jingmai K.; Xu, Xing; Zhou, Zhonghe (2019). "A new Jurassic scansoriopterygid and the loss of membranous wings in theropod dinosaurs".
142 Ammosaurus major S > Anchisaurus polyzelus Marsh 1891





























Yates, Adam M. (2010). "A revision of the problematic sauropodomorph dinosaurs from Manchester, Connecticut and the status of Anchisaurus Marsh".
143 Ammosaurus solus S > Anchisaurus polyzelus Kuhn 1939





























Yates, Adam M. (2010). "A revision of the problematic sauropodomorph dinosaurs from Manchester, Connecticut and the status of Anchisaurus Marsh".
144 Ampelosaurus atacis valid Le Loeuff 1995 16 m 15 t 3,5 Europe France Occitania Marnes Rouges Inferieures, Gres de Saint-Chinian,
Gres de Labarre ?
Late Cretaceous Late Campanian-Early Maastrichtian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Macronaria Titanosauriformes Somphospondyli Titanosauria Eutitanosauria Lithostrotia Lirainosaurinae
Over 500 bones, at least a dozen specimens. Le Loeuff, J. (1995). "Ampelosaurus atacis (nov. gen., nov. sp.), un nouveau Titanosauridae (Dinosauria, Sauropoda) du Crétacé supérieur de la Haute Vallée de l'Aude (France)".
Le Loeuff, J. (2005). "Osteology of Ampelosaurus atacis (Titanosauria) from Southern France".
145 Amphicoelias altus nomen dubium Cope 1877 25 m 26 t 2 North America USA Colorado Morrison Late Jurassic Tithonian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria Sauropoda Gravisauria Eusauropoda Neosauropoda Diplodocoidea Diplodocimorpha Flagellicaudata Diplodocidae



Tooth, two dorsal vertebrae, pubis, femur. Referred scapula ?, coracoid ?, and ulna ? Tschopp, E., Mateus, O. & Benson, R.B.J. (2015) "A specimen-level phylogenetic analysis and taxonomic revision of Diplodocidae (Dinosauria, Sauropoda).
146 "Amphicoelias brontodiplodocus" nomen nudum Galiano & Albersdörfer 2010 22 m 8 t 4 North America USA Wyoming Morrison Late Jurassic Kimmeridgian Dinosauria Saurischia Eusaurischia Sauropodomorpha Plateosauria Massopoda Sauropodiformes Anchisauria