Amniota

Thesaurus

Noun

1.

Amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during developmentCraniata, subphylum Craniata, subphylum Vertebrata, Vertebrata - fishes; amphibians; reptiles; birds; mammalscraniate, vertebrate - animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or craniumamniote - any member of the Amniotamammal, mammalian - any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk