Crassispira nigerrima

Crassispira nigerrima, common name the jet-black pleurotoma, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.[1]

Crassispira nigerrima
Apertural view of a shell of Crassispira nigerrima
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Neogastropoda
Superfamily: Conoidea
Family: Pseudomelatomidae
Genus: Crassispira
Species:
C. nigerrima
Binomial name
Crassispira nigerrima
(Sowerby I, 1834)
Synonyms[1]
  • Crassispira cornuta (Sowerby I, 1834)
  • Crassispira thiarella Kiener, 1840
  • Crassispira (Striospira) nigerrima (Sowerby I, 1834)
  • Drillia nigerrima (G.B. Sowerby I, 1834)
  • Pleurotoma nigerrima Sowerby I, 1834 (original combination)

Description

The length of the shell varies between 13 mm and 20 mm.

(Original description) The jet-black shell is acuminately pyramidal. The upper part of the whorls is flat and slightly knobbed near the suture. The lower portion is finely striated transversely, ribbed longitudinally, the ribs curved and rather wide apart. The aperture is oblong. The siphonal canal is rather long and a little reflected.[2]

Distribution

This marine species occurs from the Gulf of California to Ecuador.

References
  1. Crassispira nigerrima (Sowerby I, 1834). Retrieved through: World Register of Marine Species on 4 April 2010.
  2. Conchologia iconica, or, Illustrations of the shells of molluscous animals; Reeve, Lovell, Brooks, Vincent, Reeve, Frederic, Sowerby, G. B.I (George Brettingham), Taylor, John Edward, Reeve Benham & Reeve, Savill, Edwards and Co., Spottiswoode & Co. Vincent Brooks, Day & Son, ; vol.1 (1843) Public Domain This article incorporates text from this source, which is in the public domain.
  • 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
  • MNHN: specimen
  • Biolib.cz: Crassispira nigerrima
  • Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295.
  • "Crassispira (Striospira) nigerrima". Gastropods.com. Retrieved 16 January 2019.
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