|Basic info||Taxonomic history||Classification||Relationships|
|Morphology||Ecology and taphonomy||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.
|O. S. Adegoke 1977||Shell small, with moderately high spire and a small, smooth bulbous protoconch. Spiral whorls inflated and gently convex; body whorl rounded and relatively large. Whorls ornamented by fine revolving spirals a few of which occasionally become prominently elevated. Umbilicus moderately wide and deep, with a semilunar exterior outline and a turbinate, funnel-like outer chamber leading into a cylindrical inner passage separated from the former by a spiral ridge. Umbilical rim coarsely noded.|