Their molars are complex and multicuspid, and are able to occlude or fit with one another.
2.
Radula with tricuspid central tooth with square basal plate, as large as the bicuspid laterals, the marginals multicuspid.
3.
The central tooth is subquadrangular, multicuspid; the central cusps are very long and sharp; lateral teeth are multicuspid, marginals are narrow, with a few obsolete denticles on the margin.
4.
The central tooth is subquadrangular, multicuspid; the central cusps are very long and sharp; lateral teeth are multicuspid, marginals are narrow, with a few obsolete denticles on the margin.
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