Saurischia

  • Ulughbegsaurus uzbekistanensis

    Dinosaur Ulughbegsaurus uzbekistanensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Unaysaurus tolentinoi

    Dinosaur Unaysaurus tolentinoi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Unenlagia comahuensis 

    Dinosaur Unenlagia comahuensis : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Unenlagia paynemili 

    Dinosaur Unenlagia paynemili : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Unquillosaurus ceibalii 

    Dinosaur Unquillosaurus ceibalii : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Urbacodon itemirensis 

    Dinosaur Urbacodon itemirensis : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Urbacodon norelli

    Dinosaur Urbacodon norelli: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

  • Uriash kadici

    Dinosaur Uriash kadici: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

  • Utahraptor ostrommaysorum

    Dinosaur Utahraptor ostrommaysorum: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

  • Vahiny depereti

    Dinosaur Vahiny depereti: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references