Gnathostoma

(redirected from Gnathostoma (nematoda))
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Gna`thos´to`ma


n. pl.1.(Zool.) A comprehensive division of vertebrates, including all that have distinct jaws, in contrast with the leptocardians and marsipobranchs (Cyclostoma), which lack them.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.