Hypertext Webster Gateway: "Heteropoda"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Heteropoda \Het`e*rop"o*da\, n. pl. [NL., fr. Gr. ? other +
-poda.] (Zo["o]l.)
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.
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