Author: Jan Delsing
Text ID: 99190
Text Type: 1
Page: 0
Created: 2020-02-23 21:26:12 - User Delsing Jan
Language: EN Text function: [[t:890625,textblock=99190,elang=EN;Description]]
Shell conical, irregular, lamellated or rayed; the summit subeentral; nucleus subspiral, dextral, slightly posterior, within bearing a hall cup-shaped appendage, attached behind the summit and open in front; edge of the shell irregular; opercular plate basal, calcareous.
Dall, W.H. & Simpson, C.T., 1901. The Mollusca of Porto Rico.
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