We found 1 definitions of amniotas from 1 different sources.
Noun |
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amniota - higher vertebrates (reptiles, birds and mammals) possessing an amnion during development | ||
craniate, vertebrate animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium | ||
craniata, subphylum craniata, subphylum vertebrata, vertebrata fishes; amphibians; reptiles; birds; mammals | ||
mammal, 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 |