Sinum

Belongs within: Naticidae. Sinum is a genus of moon snails with an ear-shaped shell and reduced, horny operculum. Characters (from Oldroyd 1927): Shell ear-shaped, with minute spire and very large aperture, externally with revolving striae, colour usually white, sometimes with a thin corneous epidermis. Operculum minute, horny, subspiral. <==Sinum Röding 1798 BR05 (see below for… Continue reading Sinum

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Polinices

Belongs within: Naticidae. Polinices is a genus of mostly white moon snails found in the Indo-Pacific oceans. They possess a brown corneous operculum, a medium to thick parietal callus and a partially to completely filled umbilicus. Characters (from Oldroyd 1927): Shell oval or suboval, solid, smooth, spire short, sharp; aperture semicircular, inner lip oblique, callous,… Continue reading Polinices

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Euspira

Belongs within: Naticidae. Euspira is a genus of moon snails found living in cooler waters. <==Euspira Agassiz 1838 [Euspiridae, Euspirinae]BR05 |–‘Natica’ labellata Lamarck 1804 [incl. N. glaucinoides Sowerby 1812, *Euspira glaucinoides]S98 |–E. acosmita (Dall 1919) [=Polinices (Euspira) acosmitus]O27 |–E. algida (Gould 1848)O27 [=Natica (Lunatia) algidaO27, C64, Polinices (Euspira) algidaO27] |–E. barrierensis (Marwick 1924) [=Uber (Euspira)… Continue reading Euspira

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Natica

Belongs within: Naticidae. Natica is a genus of predatory gastropods found in warm seas around the world, feeding on other molluscs. Members of the subgenus Cryptonatica are cold-water species found in the Arctic Ocean. Fossils have been assigned to Natica from the earliest Triassic but these assignments might be considered unlikely (Nützel & Erwin 2002).… Continue reading Natica

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Naticidae

Belongs within: Hypsogastropoda.Contains: Euspira, Friginatica, Polinices, Naticarius, Natica, Neverita, Sinum. The Naticidae, moon shells, are carnivorous intertidal marine gastropods. Their name comes from the globular shiny shell of most species though members of the Sininae have flattened, ear-shaped shells. In life, the shell is covered or nearly covered by the expanded foot and the animal moves just… Continue reading Naticidae

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Categorised as Naticidae