Helicotomidae
# Helicotomidae

Helicotomidae is an extinct 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 categorizes Helicotomidae 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 Helicotomidae include:

* Amphelissa
* Boucotspira
* Boucotspira
* Burdikinia - synonym: Polyamma.
* Colpomphalus
* Helicotoma Satler, 1859 - type genus of the family Helicotomidae
* Lophonema - synonym: Polhemia.
* Ophiletina
* Palaeomphalus
* Paraviviana
* Walcottoma
* Yochelsoniella
