An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms

by Paul S. Mikkelsen

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Term Definition

ECHINOSPIRA   A type of VELIGER, in the Lamellariidae, Cypraeidae (Eratoinae) and Capulidae [all Gastropoda], in which the young definitive shell is covered by a much larger secondary shell, the SCAPHOCONCHA, which has practically no weight and assists in floatation during the long swimming life of a larva.; see: LARVA.

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