Subgenus Paracerion

Original Description

"The section Paracerion P. and V. is proposed for forms having the tooth arrangement described above." (Pilsbry & Vanatta, 1895:206).  

 

The tooth arrangement referred to appears in the description of Cerion (Paracerion) tridentatum PiIsbry and Vanatta, which is quoted in its entirety below:

"Shell similar externally to C. incanum, but aperture long, ovate, much higher than wide; cone of spire longer, several whorls following the nepionic ones densely striate. Parietal lamina small, short, cen­tral, with a smaller accessory denticle to the left of and beyond its inner end, and another lamina slightly to the right and deeper within. Alt. 25-27½; diam. 9-10 mm. Cuba, R. Swift."  (Pilsbry & Vanatta, 1895:206).  

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