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Webster 1913 Edition

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Noun.

pl.

[NL., fr. Gr.[GREEK] feathered + [GREEK] tongue.]

(Zool.)

A division of gastropod mollusks having the teeth of the radula arranged in long transverse rows, somewhat like the barbs of a feather.

Ptenoglossa

A taxonomic infraorder within the order Sorbeoconcha – certain sea snails, now considered paraphyletic, but still in use informally.

(infraorder): Animalia - kingdom; Mollusca - phylum; Gastropoda - class; Orthogastropoda - subclass; Caenogastropoda - superorder; Sorbeoconcha - order; Hypsogastropoda - suborder