Omphalotrochidae
Omphalotrochidae is an extinct taxonomic family of Paleozoic molluscs with anisostrophically coiled shells of uncertain position .Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 places Omphalotrochidae in the superfamilia Euomphaloidea within the Paleozoic molluscs with anisostrophically coiled shells of uncertain position. This family has no subfamilies.Genera in the family Omphalotrochidae include:
