| 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
- Rhynchocephalia
- Sauropterygia
- Eosuchia
- Archosauromorpha
- Youngina
- Rhynchosauria
- Trilophosauridae
- Archosauriformes
- Crurotarsi
- Phytosauria
- Crocodylotarsi
- Archosauria
- Pseudosuchia
- Avemetatarsalia
- Ornithodira
- Pterosauromorpha
- Dinosauromorpha (36-8D)
ARCHOSAUROMORPHA | Name (Sci) | |
TEXT - Youngina - EOL- AMNH, Field
- Rhynchosauria
- Isalorhynchus genovefae - EOLFLKR- Field
- Trilophosauridae
- Trilophosaurus - EOL- AMNH
- Archosauriformes (next section)
ARCHOSAURIFORMES | Name (Sci) | |
TEXT - Crurotarsi
- Phytosauria - EOL- AMNH
- Machaeroprosopus - EOL- Field
- Phytosauridae
- Angistorhinus - EOL- Field
- Crocodylotarsi - EOL- AMNH
- Archosauria
- Pseudosuchia
- Suchia
- Aetosauria - EOL- AMNH
- Paracrocodylomorpha
- Loricata
- Rauisuchidae - EOL- AMNH
- Crocodylomorpha
- Dibothrosuchus - EOL- Field
- Crocodyliformes
- Platyognathus - EOLFLKR- Field
- Mesoeucrocodylia
- Notosuchia
- Mahajangasuchidae
- Mahajangasuchus insignis - EOLFLKR- Field
- Ziphosuchia
- Neosuchia
- Thalattosuchia
- Atoposauridae
- Hoplosuchus - EOL- Dinosaur NM
- Eusuchia
- Crocodylia (36-VII) - Crocodiles, Alligators, Caimen, Gharials
- Avemetatarsalia (next section)
AVEMETATARSALIA | Name (Sci) | |
TEXT - Ornithodira
- Pterosauromorpha
- Pterosauria
- Macronychoptera
- Novialoidea
- Lonchognatha
- Campylognathoides - EOL- AMNH
- Rhamphorhynchus muensteri - EOLFLKR- AMNH, Field
- Dorygnathus (Parapsicephalus) - EOL- AMNH
- Monofenestrata
- Caelidracones
- Pterodactyloidea
- Nyctosaurus gracilis - EOLFLKR- AMNH, Field
- Pteranodontia
- Pteranodon - EOL- AMNH, Field
- Lophocratia
- Pterodactylus - EOLFLKR- AMNH, Field
- Ornithocheiroidea
- Anhanguera - EOL- AMNH
- Azhdarchoidea
- Neoazhdarchia
- Azhdarchidae
- Quetzalcoatlus - EOLFLKR- AMNH, Field
- Dinosauromorpha (next page)
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