"Shell similar to C. uva, but differs in lacking the strong, regular ribs characteristic of that species, or in having them very few, weak and irregular.
Alt. 22, diam. 9; apert. alt. 7½, width 6½ mm.
Alt. 19, diam. 9; apert. alt. 7, width 6 mm.
Curaçao.
A sectioned specimen shows no internal sets of laminae, but these are frequently wanting in specimens of the typical C. uva. Of the latter a good many figures have been published."
(Pilsbry & Vanatta, 1896:328)