Trionychoidea


Also found in: Encyclopedia, Wikipedia.

Tri`on`y`choi´de`a


n. pl.1.(Zool.) A division of chelonians which comprises Trionyx and allied genera; - called also Trionychoides, and Trionychina.
Mentioned in ?
References in periodicals archive ?
Keywords: Reptilia, Testudines, Trionychoidea, Apalone, lower Pliocene, Costa Rica.
There are three superfamilies of eucryptodires; the Trionychoidea, Chelonioidea and Testudinoidea (Gaffney, 1975).