Prototheria

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Translingual [edit]

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Wikispecies has information on:

Wikispecies

Etymology [edit]

From Ancient Greek πρωτο- (proto-, proto-, first) + θηρίον (thērion, beast).

Proper noun [edit]

Prototheria

  1. A taxonomic subclass within the class Mammalia — the egg-laying mammals.

See also [edit]