Omphalotrochidae
# Omphalotrochidae

Omphalotrochidae is an extinct taxonomic family of Paleozoic molluscs (gastropods?) with anisostrophically coiled shells of uncertain position (Gastropoda?) (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

## 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 (Gastropoda?). This family has no subfamilies.

## Genera

Genera in the family Omphalotrochidae include:

* Omphalotrochus Meek, 1864 - type genus of the family Omphalotrochidae
