See text Omphalotrochidae is an extinct taxonomic family of Paleozoic molluscs (gastropods?)

with anisostrophically coiled shells of uncertain position (Gastropoda?)

The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005[2] places Omphalotrochidae in the superfamilia Euomphaloidea within the Paleozoic molluscs with anisostrophically coiled shells of uncertain position (Gastropoda?).

Genera in the family Omphalotrochidae include:

This prehistoric gastropod article is a stub.