Late Cretaceous

  • “Osteoporosia gigantea”

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

  • Otogosaurus sarulai

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

  • Overoraptor chimentoi

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

  • Overosaurus paradasorum

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

  • Oviraptor philoceratops 

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

  • Oxalaia quilombensis

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

  • Pachycephalosaurus wyomingensis

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

  • Pachyrhinosaurus canadensis

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

  • Pachyrhinosaurus lakustai

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

  • Pachyrhinosaurus perotorum

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