An Illustrated and Cross-Referenced Glossary of
Malacological and Conchological Terms
|by Paul S. Mikkelsen|
[need definition]. Newer, preferred term for the old term: Sacoglossan. They have a UNISERIATE RADULA from which old teeth fall from the
RADULA RIBBON into an ASCUS SAC.
See also: SEA SLUG; NUDIBRANCH.
Photo: Elysia chlorotica (Gould, 1870)
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