Zoological Illustrations, Second Series, Volume 3 / or, Original Figures and Descriptions of New, Rare, or Interesting Animals

by William Swainson

CARACOLLA acutissima,

Two-Toothed Disk Snail.

Class Mollusca. Order Phytophages. Swains.

Generic (?) Character.

Animal with four tentaculæ, the lower pair very short; Shell discoid, greatly depressed; the spire but slightly raised above the body whorl; aperture large, oblique, angulated; the lower portion generally dentated; the margin thickened and reflected.

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Specific Character.

Shell imperforate, with the spiral whorls flattened obliquely, the body whorl acutely carinated, and convex beneath: outer lip reflected; with from 1 to 2 tuberculated teeth near the extremity.