| An Allosaurs (left) and Stegosaurus square off.
Chapter Outline- Description of Sauropsida
- Classification of Sauropsida
- Sphenodontia
- Squamata
- Serpentes
- Testudines
- Crocodylia
- Paleo Sauropsida
- Reptilia
- Eureptilia
- Archosauromorpha
- Dinosauromorpha
NCBI Tree | Paleo Tree
Links to external sites will appear in pop-up windows. | | | This page uses the Paleobiology Database instead of the NCBI Database for classification.- Reptilia (36-8A)
- Eureptilia (36-8B)
- Romeriida
- Diapsida
- Archosauromorpha (36-8C)
- Archosauriformes
- Crurotarsi
- Archosauria
- Avemetatarsalia
- Ornithodira
- Pterosauromorpha
- Dinosauromorpha
- Dinosauriformes
- Dinosauria
- Ornithischia
- Saurischia
- Sauropodomorpha
- Theropoda - Some Dinosaurs, all Birds
ORNITHISCHIA | Name (Sci) | |
TEXT - Heterodontosaurus - EOL- AMNH
- Hypsilophodon - EOL- AMNH
- Genasauria
- Thyreophora
- Lesothosaurus - EOL- AMNH
- Ankylosauria
- Ankylosauridae
- Ankylosaurus - EOL- AMNH
- Shamosaurus - EOL- AMNH
- Pinacosaurus - EOL- AMNH
- Euoplocephalus - EOL- AMNH
- Gargoyleosaurus - EOL- DMNS
- Nodosauridae
- Sauropelta - EOL- AMNH
- Panoplosaurus - EOL- AMNH
- Edmontonia - EOL- AMNH
- Stegosauria
- Huayangosaurus - EOL- AMNH
- Stegosauridae
- Stegosaurus - EOL- Field, AMNH
- Stegosaurus stenops - EOL- DMNS
- Stegosaurus ungulates - EOL- Dinosaur NM
- Kentrosaurus - EOL- AMNH
- Neornithischia
- Cerapoda
- Marginocephalia
- Pachycephalosauria
- Pachycephalosauridae
- Pachycephalosaurus - EOL- AMNH
- Stegoceras - EOL- AMNH
- Stegoceras validum - EOL- Field
- Stygimoloch - EOL- DMNS
- Ceratopsia
- Psittacosauridae
- Psittacosaurus - EOL- AMNH
- Neoceratopsia
- Protoceratops - EOL- AMNH
- Protoceratops andrewsi - FLKR- Field
- Coronosauria
- Ceratopsoidea
- Ceratopsidae
- Anchiceratops ornatus - EOL- Field
- Centrosaurus - EOL- AMNH
- Chasmosaurus - EOL- AMNH
- Pentaceratops - EOL- AMNH
- Styracosaurus - EOL- AMNH
- Triceratops - EOL- Field
- Triceratops horridus - EOL- DMNS, AMNH
- Triceratops prorsus - EOL- KUNHM
- Ornithopoda
- Thescelosauridae
- Thescelosaurus - EOL- Field
- Iguanodontia
- Tenontosaurus - EOL- AMNH
- Camptosaurus - EOL- AMNH, Dinosaur NM
- Dryomorpha
- Dryosauridae
- Dryosaurus - EOL- Dinosaur NM
- Iguanodontoidea
- Iguanodontidae
- Hadrosauroidea
- Hadrosauridae
- Edmontosaurus - EOL- DMNS
- Hadrosaurus - EOL- AMNH
- Lambeosaurus - EOL- AMNH, Field
- Maiasaura - EOL- Field
- Parasaurolophus cyrtocristatus - EOL- Field
- Parasaurolophus walkeri - EOL- KUNHM
SAUROPODOMORPHA | Name (Sci) | |
TEXT- Anchisauria
- Prosauropoda
- Sauropoda
- Eusauropoda
- Neosauropoda
- Macronaria
- Camarasauromorpha
- Camarasaurus - EOL- AMNH, Field, Dinosaur NM
- Titanosauriformes
- Brachiosauridae
- Brachiosaurus - EOL- AMNH, Field
- Abydosaurus - EOL- Dinosaur NM
- Somphospondyli
- Titanosauria
- Argyrosaurus - EOL- Field
- Lithostrotia
- Rapetosaurus krausei - EOL- Field
- Diplodocoidea
- Diplodocidae
- Apatosaurus (Brontosaurus) - EOL- AMNH
- Apatosaurus excelsus - EOL- Field
- Apatosaurus louisae - EOL- Dinosaur NM
- Barosaurus - EOL- AMNH, Dinosaur NM
- Diplodocus - EOL- DMNS, AMNH, Field, Dinosaur NM
THEROPODA | Name (Sci) | |
TEXT- Herrerasauridae
- Herrerasaurus - EOL- Field
- Neotheropoda
- Coelophysoidea
- Dilophosaurus - EOL- AMNH
- Syntarsus - EOL- AMNH
- Coelophysidae
- Coelophysis - EOL- DMNS, AMNH
- Averostra
- Ceratosauria
- Ceratosauridae
- Abelisauroidea
- Abelisauridae
- Majungatholus - EOL- Field
- Noasauridae
- Masiakasaurus - EOL- Field
- Tetanurae
- Avetheropoda
- Allosauroidea
- Allosauria
- Allosauridae
- Allosaurus - EOL- AMNH
- Allosaurus fragilis - EOL- Field, DMNS, Dinosaur NM
- Allosaurus jimmadseni - EOL- Dinosaur NM
- Coelurosauria
- Compsognathidae
- Compsognathus - EOL- Field
- Tyrannosauroidea
- Tyrannosauridae
- Tyrannosaurus rex - EOL- DMNS, Field Museum, AMNH
- Alioramus - EOL- AMNH
- Albertosaurus - EOL- AMNH
- Tarbosaurus - EOL- AMNH
- Daspletosaurus - EOL- AMNH, Field
- Maniraptoriformes
- Dromaeosauridae
- Buitreraptor - EOL- Field
- Deinonychus - EOL- Field
- Arctometatarsalia
- Ornithomimosauria
- Struthiomimus - EOL- AMNH
- Harpymimus - EOL- AMNH
- Deinocheirus - EOL- AMNH
- Ornithomimidae
- Gallimimus - EOL- AMNH
- Ornithomimus - EOL- DMNS
- Maniraptora
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