Dinosauria

  • 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

  • Pachysaurus ajax 

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

  • Pachysaurus cloacinus

  • Pachysaurus giganteus

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

  • Pachysaurus magnus

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

  • Pachysaurus wetzelianus

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

  • Pachyspondylus orpenii

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