Definitions

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. type genus of the family Triopidae: small crustaceans with a small third median eye

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  • "Their external morphology has apparently not changed since the Triassic appearance of Triops cancriformis around 220 million years ago. Triops cancriformis may therefore be the 'oldest living animal species on earth.'" (Wikipedia)

    See Notostraca.

    September 2, 2008