Alphabetical Dinosaur Index


There are 3140 Dinosaurs in Database


Every month, 100,000 readers use the Dinosaur Database, but we receive no support from you. Developing and updating the database requires a lot of work. Therefore, as of September 1, 2025, the database will be closed. If you want it to remain open and be updated, please support us via the "Buy us a coffee" button available on every page or via the Support page.





  • Orthomerus transsylvanicus

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

    Read More »
  • Orthomerus weberae

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

    Read More »
  • Orthomerus weberi

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

    Read More »
  • Oryctodromeus cubicularis

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

    Read More »
  • “Oshanosaurus youngi”

    Dinosaur "Oshanosaurus youngi": scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

    Read More »
  • Osmakasaurus depressus 

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

    Read More »
  • Ostafrikasaurus crassiserratus

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

    Read More »
  • Ostafrikasaurus stechowi

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

    Read More »
  • “Osteoporosia gigantea”

    Dinosaur "Osteoporosia gigantea": scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

    Read More »
  • Ostromia crassipes

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

    Read More »