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Crassispira fuscescens
	Shell of Crassispira fuscescens (specimen at MNHN, Paris)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Conoidea
Family:	Pseudomelatomidae
Genus:	Crassispira
Species:	C. fuscescens
Binomial name
	Crassispira fuscescens; (Reeve, 1843)
Synonyms
	Crassispira cuprea (Reeve, 1843); Pleurotoma cuprea Reeve, 1843; Pleurotoma fuscescens Reeve, 1843; Pyrgospira fuscescens (Reeve, 1843);

Crassispira fuscescens is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.^[1]

This species is similar to † Drillia fuscescens (Gray, 1843) ^[2]

Description

The length of the shell varies between 10 mm and 25 mm.

The color of the shell is deep chocolate-brown. The longitudinal ribs commence abruptly and are separated by wider interspaces, crossed by revolving raised lines, forming granules in the keel. The whorls above the periphery are smooth and slightly concave, with a raised line next the suture. The outer lip is thickened. with a sharp edge and a broad sinus.^[3]

Distribution

This marine species occurs off the Florida Keys, USA, and from the West Indies to Brazil; fossils were found in Quaternary strata in Cuba; age range: 2.588 to 0.012 Ma

References

^ ^a ^b Crassispira fuscescens (Reeve, 1843). Retrieved through: World Register of Marine Species on 4 April 2010.
^ Cossmann (M.), 1913 Étude comparative de fossiles miocéniques recueillis à la Martinique et à l'Isthme de Panama. Journal de Conchyliologie, t. 61, vol. 1, p. 1-64
^ 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.

Reeve, L. 1843. Monograph of the genus Pleurotoma Conchologia Iconica 1 pls. 1-18
Absalão, R. S.; Pimenta, A. D. & Caetano, C. H. S. 2007. Turridae (Mollusca, Neogastropoda, Conoidea) coletados no litoral sudeste do Brasil, Programa REVIZEE “Score” Central. Biociências (On-line) 13: 19-47.

External links

Tucker, J.K. (2004). "Catalog of recent and fossil turrids (Mollusca: Gastropoda)" (PDF). Zootaxa. 682: 1–1295. doi:10.11646/zootaxa.682.1.1.
Rosenberg G., Moretzsohn F. & García E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas
MNHN: specimen
De Jong K.M. & Coomans H.E. (1988) Marine gastropods from Curaçao, Aruba and Bonaire. Leiden: E.J. Brill. 261 pp.
"Crassispira fuscescens". Gastropods.com. Retrieved 16 January 2019.

[WoRMS-1] Crassispira fuscescens (Reeve, 1843). Retrieved through: World Register of Marine Species on 4 April 2010.

[2] Cossmann (M.), 1913 Étude comparative de fossiles miocéniques recueillis à la Martinique et à l'Isthme de Panama. Journal de Conchyliologie, t. 61, vol. 1, p. 1-64

[3] 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.

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