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| Cinysca bicarinata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Vetigastropoda |
| Order: | Trochida |
| Superfamily: | Trochoidea |
| Family: | Areneidae |
| Genus: | Cinysca |
| Species: | C. bicarinata |
| Binomial name | |
| Cinysca bicarinata (E. von Martens, 1902) | |
| Synonyms | |
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Cinysca bicarinata is a species of sea snail, a marine gastropod mollusk in the family Areneidae.
Description
The length of the shell attains 9 mm, its diameter 6 mm.
(Original description in Latin) The shell is nearly round, somewhat solid, and umbilicated. It is yellowish-white and uniform in color, sculpted with two elevated spiral keels, otherwise smooth. The spire is short, conical, and stepped. The body whorl features a spiral ridge between the two keels and is adorned with two spiral ridges on the base.
Anteriorly, the body whorl is distinctly compressed and slightly expanded, with keels and ridges extending outward, giving it a slightly angular appearance. The outer margin is strongly curved and fairly thin, while the basal margin is thickened. The columellar margin remains thin and straight, not reflected into the umbilicus.
The underside is slightly concave, with two spiral ridges and a relatively large, angular umbilicus. The aperture is oblique and circular, with the peristome slightly expanded and adorned with outward-extending keels and ridges.
Distribution
This marine species occurs off the Agulhas Bank, South Africa.
References
- "WoRMS - World Register of Marine Species - Cinysca bicarinata (E. von Martens, 1902)". www.marinespecies.org. Retrieved 2025-01-07.
- Martens, E. von (1902). "Einige neue Arten von Meer-Conchylien aus den Sammlungen der deutschen Tiefsee-Expedition unter der Leitung von Prof. Carl Chun, 1898–99". Sitzungs-Berichte der Gesellschaft naturforschender Freunde zu Berlin.: 241. Retrieved 8 January 2025.
This article incorporates text from this source, which is in the public domain.
External links
- Herbert, D.G. (2015). "An annotated catalogue and bibliography of the taxonomy, synonymy and distribution of the Recent Vetigastropoda of South Africa (Mollusca)". Zootaxa. 4049 (1): 1–98.
| Taxon identifiers | |
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| Cinysca bicarinata | |
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