from the GNU version of the Collaborative International Dictionary of English
- n.pl. 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.
from The Century Dictionary and Cyclopedia
- In zoology, a name applied to several groups.
Sorry, no etymologies found.
Joan Costa, Spain, for Malaspina Expedition, Specimen of a heteropoda, Pacific Ocean; 3.