amniota

WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint: double-click any word to get it searched!

Definitions from WordNet

Noun amniota has 1 sense

Amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development
--₁ is a kind of vertebrate, craniate
--₁ is a member of
Vertebrata, subphylum Vertebrata, Craniata, subphylum Craniata
--₁ has member: amniote

Definitions from the Web

Amniota

Amniota refers to a group of vertebrates that have an amniotic egg, which is an adaptation that allows them to lay eggs on dry land.

Noun: Amniota

A class of animals comprising reptiles, birds, and mammals, all of which possess an amnion during embryonic development.
The group of all animals descended from a common amniote ancestor.

Sample sentences:

The amniota, which includes reptiles, birds, and mammals, share the common feature of an amnion during embryonic development.
The diverse species within Amniota have adapted to various habitats and reproductive strategies.