Crassispira maura explained

Crassispira maura, common name the dark-coloured pleurotoma, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.

Pleurotoma maura Kiener L.C., 1840 is a synonym of Pilsbryspira aterrima (Sowerby, G.B. I, 1834)

Description

The length of the shell varies between 45 mm and 85 mm.

The turreted shell is acuminated and blackish brown. The whorls are tuberculated in the middle, dotted round the lower part, whilst the upper part exhibits a depression from the rilling up of the sinus. The siphonal canal is recurved.^[1]

Distribution

This marine species occurs from Mazatlan, Mexico to Ecuador

References

• G.B. Sowberby I. Proc. Geol. Soc., 1833, p. 137
• Reeve, Conch. Syst., vol. ii. pi. 133. f. 4.

External links

• Tucker . J.K. . 2004 . Catalog of recent and fossil turrids (Mollusca: Gastropoda) . Zootaxa . 682 . 1–1295 . 10.11646/zootaxa.682.1.1 .

Notes and References

1. https://archive.org/details/conchologiaiconi01reev 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)