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

by Paul S. Mikkelsen

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Term Definition

CLANDESTINE EVOLUTION   see: EVOLUTION, CLANDESTINE.
   

EVOLUTION   [need definition]; see also: EVOLUTION, CLANDESTINE; EVOLUTION, PROGRAMME.
   

EVOLUTION, CLANDESTINE   The development of many structures by the larvae for its own needs, as distinct from the morphology of the adult; as such, larvae are not always reliable guides to PHYLOGENY; see also: ONTOGENY.
   

EVOLUTION, PROGRAMME   Having several independent groups running through a series of broadly similar changes.
   

VOLUTION   One of the whorls or turns of a spirally coiled shell or OPERCULUM; see also: WHORL.
   


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