Family FISSURELLIDAE
( or KEYHOLE LIMPETS )
Main features of the family : These gastropods have a conical shell bearing an apical opening through which exhalant water is passed. Keyhole limpets are primitive, egg-laying herbivores that lack an operculum.
11 species of keyhole limpets have been recorded from the Galápagos Islands.
List of genera and species known from the Galápagos
EMARGINULA ( 2 species )
Emarginula tuberculosa Libassi, 1859
PUNCTURELLA ( 1 species )
DIODORA ( 4 species )
FISSURELLA ( 2 species )
LUCAPINELLA ( 1 species )
