Helicotomidae
Helicotomidae is an extinct family of Paleozoic molluscs with anisostrophically coiled shells of uncertain position .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. This family has no subfamilies.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
