(definition) by Webster 1913 Wed Dec 22 1999 at 0:08:43

Het`e*rop"o*da (?), n. pl. [NL., fr. Gr. other + -poda.] Zool.

An order of pelagic Gastropoda, having the foot developed into a median fin. Some of the species are naked; others, as Carinaria and Atlanta, have thin glassy shells.

 

© Webster 1913.

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