Category: Science

What are Amniotes?

Amniotes, a group of limbed vertebrates that includes all living reptiles (class Reptilia), birds (class Aves), mammals (class Mammalia), and their extinct relatives and ancestors. The amniotes are the evolutionary branch (clade) of the tetrapods (superclass Tetrapoda) in which the embryo develops within a set of protective extra-embryonic membranes—the amnion, chorion, and allantois. any vertebrate of the group Amniota, comprising the reptiles, birds, and mammals, characterized by having an amnion during the …

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