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Related articles:
Mammal
Reptile
Amphibian
Turtle
Synapsid
Amniotic sac
Amnion
Tetrapod
Skull
Lizard
Chordate
Crocodilia
Allantois
Large intestine
Kidney
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Key terms: eggs amniotes order amniota mammals extinct membrane lay evolved land birds include subclass bigger synapsid reptiles inner shell developed amphibian yolk albumen anatomy fossil modern drier outer allowed embryonic traits amnion definition rather laurin biology turtles lizards reptilia ancestors phylogeny cladogram metamorphosis superorder structures infraclass classification bigger eggs environments million years ago Search external links cited by footnotes on Wikipedia page Amniote: |
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