Clade Hypsogastropoda | Rank Species | |
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Clionella subventricosa is a species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
Contents
Description
The shell grows to a length of 22 mm.
The ovate, rather dark brown shell has a squat, fusiform shape. The eight whorls are slightly convex. The spiral sculpture shows shallow, well-spaced grooves. The axial ribs are rounded and number 11-14 per whorl. The shoulder angle lies below the middle of the whorl. The periphery is flattened so that body whorl is weakly biangulate. The aperture is rather large with a rather narrow, slightly notched siphonal canal. The color inside the aperture shows various shades of pale brown. The anal sinus is very shallow.
Distribution
This marine species occurs from False Bay to Cape Agulhas, South Africa
References
Clionella subventricosa Wikipedia(Text) CC BY-SA