Spirotropis patagonica
Spirotropis patagonica is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.[1]
| Spirotropis patagonica | |
|---|---|
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| Drawing of a shell of Spirotropis patagonica | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Drilliidae |
| Genus: | Spirotropis |
| Species: | S. patagonica |
| Binomial name | |
| Spirotropis patagonica (d'Orbigny, 1841) | |
| Synonyms[1] | |
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The variety Spirotropis patagonica magellanica (Martens, E.C. von, 1881) was originally described as Drillia patagonica Martens, E.C. von, 1881 with a length half as long.[2]
Description
The shell size varies between 6 mm and 15 mm.
The shell is yellowish brown. The first whorls are globose, the third and following ones subangulated, with longitudinal short, fine ribs and close revolving striae. The ribs are obsolete on the body whorl. The sinus is broad and shallow.[3]
Distribution
This species occurs in the demersal zone of the Atlantic Ocean from Southern Brazil to Patagonia
Fossils have been found in Quaternary strata in Brazil.
References
- Spirotropis patagonica (Orbigny, 1841). Retrieved through: World Register of Marine Species on 6 November 2011.
- Martens. Sitzb. Bed., 77, 1881
- G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
External links
Media related to Spirotropis patagonica at Wikimedia Commons- "Spirotropis patagonica". Gastropods.com. Retrieved 16 January 2019.
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