Crassispira rustica, common name the rustic pleurotoma, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae.
Description The length of the shell attains 22 mm.
(Original description) The rude, rather thick shell is oblong, pyramidal and brownish black. The whorls are keeled near the suture, longitudinally ribbed below. The ribs are numerous and sharp; the ribs of the body whorl flowing down, crossed with lines. The aperture is short. The siphonal canal is very short. The sinus is rounded.Conchologia iconica, or, Illustrations of the shells of molluscous animals; Reeve, Lovell, Brooks, Vincent, Reeve, Frederic, Sowerby, G. B. (George Brettingham), Taylor, John Edward, Reeve Benham & Reeve, Savill, Edwards and Co., Spottiswoode & Co. Vincent Brooks, Day & Son; vol.1 (1843)
Distribution This species occurs in the Pacific Ocean from Colombia to Panama.
References
G.B. Sowerby I (1833), Proc. Zool. Soc., p. 138
External links
Biolib.cz: Crassispira rustica