|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||External Literature Search||Age range and collections|
Gastropoda - Trochidae
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
|B. Kensley and J. Pether 1986||Shell top-shaped, of at least 4 postnatal whorls. Whorl profile straight to barely convex. Sculpture of spiral lines bearing bead-like, close-set tubercles; second whorl with 4-6 spirallirae; third whorl with 10-12 lirae; body whorl with 10 lirae above shoulder, 12-14 on base. Shoulder narrowly rounded. Umbilicus broadly open, smooth, with single low spiral ridge. Columella with bipartite tubercle on lower portion. Outer lip slightly thickened, but lacking internal plicae.|