OLIVIDAE LATREILLE, 1825

FAMILY OLIVIDAE LATREILLE, 1825 View in CoL

Type genus: Oliva Bruguière, 1789 Diagnosis: Shell glossy, lacking periostracum, broadly to narrowly fusiform, with high to very high last whorl and narrow aperture tapering adapically. Siphonal canal absent, anterior end of shell distinctly notched. Anterior part of the shell forming a well-defined anterior band, raised above the shell cloak. Plication plate nearly always with more or less defined spiral plicae. Primary spire callus present, covering at least partially the spire whorls. Narrow filament channel present, but in Calyptoliva overlaid by narrow primary callus.

Foot with well-developed crescent-shaped propodium, with median longitudinal cleft on dorsal side and parapodia, partially embracing the shell. Radula with three or five ( Olivella ) teeth per transverse row. Mantle with mantle filament (except in Calyptoliva ), with posterior and anterior mantle lobes, and with anterior mantle tentacle (except in Calyptoliva and Olivancillaria ).

SUBFAMILY OLIVINAE LATREILLE, 1825 View in CoL

Type genus: Oliva Bruguière, 1789

Diagnosis: Plication plate subdivided into parietal plate, shoe and belt. Filament channel well defined, eventually overlaid by primary spire callus on upper spire whorls, but free at least on last whorl. Operculum absent. Anterior mantle tentacle well defined. Head with two vertical flaps with narrow tentacles bearing eyes. Radula with three teeth per row, central tooth with short or long lateral flaps, and three large cusps. Stomach with narrow and rather long posterior mixing area.