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Genus of gastropods From Wikipedia, the free encyclopedia
Olivancillaria is a genus of sea snails, marine gastropod mollusks in the subfamily Olivancillariinae of the family Olividae.[1]
Olivancillaria | |
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Apertural view of a shell of Olivancillaria vesica | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Gastropoda |
Subclass: | Caenogastropoda |
Order: | Neogastropoda |
Superfamily: | Olivoidea |
Family: | Olividae |
Genus: | Olivancillaria d'Orbigny, 1839 |
Type species | |
Voluta oliva | |
Synonyms[1] | |
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Animal: The head and tentacles are concealed. The mantle shows a large, thick, fleshy appendage behind. The foot is very voluminous, runcate posteriorly. The shield has very large and rounded side-lobes.
The operculum is distinct, half-ovate with an subapical nucleus.
Shell: The shell is smooth and oblong. The spire is short with the suture not canaliculated to the apex. The aperture is moderate. The columella shows two or three oblique plaits anteriorly, and has a large callosity posteriorly.[2]
Species within the genus Olivancillaria include:
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