Hypertext Webster Gateway: "Amniota"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Amniota \Am`ni*o"ta\, n. pl. [NL. See {Amnion}.] (Zo["o]l.)
That group of vertebrates which develops in its embryonic
life the envelope called the amnion. It comprises the
reptiles, the birds, and the mammals.

From WordNet (r) 1.7 (wn)

Amniota
n : higher vertebrates (reptiles; birds; mammals) possessing an
amnion during development [syn: {Amniota}]


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