Cerapoda

  • Ornithotarsus immanis

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

  • Orodromeus makelai

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

  • Orthomerus dolloi

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

  • Oryctodromeus cubicularis

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

  • Osmakasaurus depressus 

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

  • Ouranosaurus nigeriensis 

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

  • Owenodon hoggii

    Dinosaur Owenodon hoggii: 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