nematognathi


From The Collaborative International Dictionary of English v.0.48:

Nematognathi \Nem`a*tog"na*thi\, n. pl. [NL. See nemato-, and
   Gnathic.] (Zool.)
   An order of fishes having barbels on the jaws. It includes
   the catfishes, or siluroids. See Siluroid.
   [1913 Webster]
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