Biology:Euspira napus
| Euspira napus | |
|---|---|
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| Shell of Euspira napus | |
Scientific classification 
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| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Littorinimorpha |
| Family: | Naticidae |
| Genus: | Euspira |
| Species: | E. napus
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| Binomial name | |
| Euspira napus (E. A. Smith, 1904)
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| Synonyms[1] | |
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Euspira napus is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.[1]
Description
The diameter of the shell varies between 30 mm and 40 mm.[2]
The shell is rounded, solid, and smooth, with a low spire. Its aperture is semi-circular, bordered by a thin outer lip, while the base features a distinct yet narrow umbilicus and a slightly thickened edge on the inner lip. The surface sculpture consists of fine, closely set growth lines. The living animal has a horny operculum.[2]
The shell is white, with a dull brown periostracum (a thin, skin-like outer covering), typically displaying a pattern of fine spiral lines.[2]
Distribution
This species is endemic to South Africa and occurs off Port Alfred and the Agulhas Bank (False Bay to western Transkei) at depths between 50 m and 210 m.
References
- ↑ 1.0 1.1 Euspira napus (E. A. Smith, 1904). 28 April 2010. Retrieved through: World Register of Marine Species.
- ↑ 2.0 2.1 2.2 Herbert, D.G., Jones, G.J. & Atkinson, L.J. (2018). Phylum Mollusca. In: Atkinson, L.J. and Sink, K.J. (eds) Field Guide to the Offshore Marine Invertebrates of South Africa. Pretoria: Malachite Marketing and Media. p. 289. doi:10.15493/SAEON.PUB.10000001. ISBN 978-1-86868-098-6.
Text available under the CC BY-SA 4.0 license is not compatible with Wikipedia and cannot be freely copied into articles.
- Hülsken, T. (2008). Phylogenetic relationship and species identification within the Naticidae Guilding, 1834 (Gastropoda: Caenogastropoda). PhD Thesis. Ruhr University.
External links
- Smith, E.A. (1904). "On a collection of marine shells from Port Alfred, Cape Colony". Journal of Malacology. 11 (2): 34. https://www.biodiversitylibrary.org/page/16099575. Retrieved 19 October 2024.
Wikidata ☰ Q61694143 entry
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