VS.

Craniate vs. Amniota

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Craniatenoun

(zoology) Any member of the clade Craniata, having bony skulls.

Amniota

That group of vertebrates which develops in its embryonic life the envelope called the amnion. It comprises the reptiles, the birds, and the mammals.

Craniatenoun

animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium

Amniotanoun

higher vertebrates (reptiles, birds and mammals) possessing an amnion during development

Craniate

A craniate is a member of the Craniata (sometimes called the Craniota), a proposed clade of chordate animals with a skull of hard bone or cartilage. Living representatives are the Myxini (hagfishes), Hyperoartia (including lampreys), and the much more numerous Gnathostomata (jawed vertebrates).

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