Olivoidea

Belongs within: Neogastropoda.Contains: Amalda, Ancilla, Gracilispira, Oliva, Olivella, Agaronia. The Olivoidea, olives, are a group of burrowing, predatory gastropods found in warm waters. They commonly possess a glossy, bullet-shaped shell and a large, muscular head and foot with lateral parapodia embracing the shell. The basal Pseudolividae, however, have ovoid to fusiform shells covered by periostracum and lack… Continue reading Olivoidea

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Olivella

Belongs within: Olivoidea. Olivella, the dwarf olives, is a genus of predatory marine gastropods similar to the olives of the family Olividae, but with a more produced spire and a large, thin, horny operculum (Oldroyd 1927). Characters (from Oldroyd 1927): Shell polished, small; spire produced, acute, suture canaliculated; aperture narrow behind, enlarged anteriorly; columella plicated… Continue reading Olivella

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Categorised as Olivoidea