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Sukashitrochus carinatus
''Sukashitrochus carinatus'' is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Scissurellidae, the little slit snails.〔Bouchet, P. (2013). ''Sukashitrochus carinatus''. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=492793 on 2013-02-16〕〔Geiger D.L. (2012) Monograph of the little slit shells. Volume 1. Introduction, Scissurellidae. pp. 1-728. Volume 2. Anatomidae, Larocheidae, Depressizonidae, Sutilizonidae, Temnocinclidae. pp. 729-1291. Santa Barbara Museum of Natural History Monographs Number 7. (30 October 2012)〕
==Description==
The shell attains a height of 2 mm. The shell has an ovate, depressed shape. The spire is nearly plane. The 2½ whorls are plane. The body whorl is radiately striate above the carina (more strongly at the sutures). It is ornamented below the carina with elevated, transverse cinguli. The base has elevated concentric lines with its interstices cancellated. The aperture is oblique. The inner lip recedes.
This species hase a foramen instead of a fissure. It is characterized by a flattened spire and three prominent keels on the last whorl below the carinate periphery.It most nearly resembles ''Sukashitrochus dorbignyi'' (Audouin, 1826) but there are three keels besides the fissural carina. 〔 (G.W. Tryon (1890), Manual of Conchology vol. XII ) (described as ''Scissurella carinata'')〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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