| Pilsbryspira aterrima | |
|---|---|
 | |
| Apertural view of a shell of Pilsbryspira aterrima | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| Subclass: | Caenogastropoda |
| Order: | Neogastropoda |
| Superfamily: | Conoidea |
| Family: | Pseudomelatomidae |
| Genus: | Pilsbryspira |
| Species: | P. aterrima |
| Binomial name | |
| Pilsbryspira aterrima (Sowerby I, 1834) | |
| Synonyms[1] | |
| |
Pilsbryspira aterrima is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.[1]
Description
The length of the shell varies between 8 mm and 20 mm.
The shell has a very dark chocolate color, with sometimes a narrow white line above the periphery, but this is usually absent. The spire is lengthened or short. The whorls are rudely prominently keeled on the periphery, which is nodulous. Below the keel are a few raised revolving lines, occasionally broken up into granules.
The great variation in the proportions of this shell has caused a number of synonyms to be made.[2]
Distribution
This species occurs in the Pacific Ocean from Mazatlan, Mexico to Northern Peru
References
- 1 2 Pilsbryspira aterrima (Sowerby I, 1834). Retrieved through: World Register of Marine Species on 5 April 2010.
- ↑ G.W. Tryon (1884) Manual of Conchology, structural and systematic, with illustrations of the species, vol. VI; Philadelphia, Academy of Natural Sciences
This article incorporates text from this source, which is in the public domain.
- Sowerby G.B. (1833), Proc. Zool. Soc., p. 138
External links
Wikimedia Commons has media related to Pilsbryspira aterrima.
- W.H. Dall (1909), Report on the collection of shells from Peru ;Proceedings of the United States National Museum, Vol. 37, pages 147–294, with Plates 20–28
- Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
- Gastropods.com: Pilsbryspira aterrima
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