Ichth. [f. as mod.L. generic name Cyprinodon, from L. cyprīnus carp + Gr. ὀδοντ- tooth.]

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  A.  sb. A malacopterygious fish of the family Cyprinodontidæ, of which the typical genus is Cyprinodon; they differ from the cyprinids in having the jaws more projecting and toothed.

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1857.  Agassiz, Nat. Hist. U. S., I. 48. Among fishes … the Cyprinodonts, the Chætodonts.

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1887.  C. C. Abbott, Waste-Land Wand., vi. 166. The many barred cyprinodont that throngs every stream from Maine to Florida.

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  B.  adj. Of or belonging to this family.

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  Hence Cyprinodontid, -dontoid a., of or allied to the Cyprinodonts.

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