amniote
/ˈæmniˌoʊt/
noun
- Any animal that belongs to the group Amniota, meaning it develops inside an amnion during its embryonic stage.
- Reptiles are amniotes, which is why they can survive in dry environments.
- An amniote can lay eggs on land or give birth to live young.
- All mammals, including whales, are amniotes.
Antonyms