Pterothecidae
Pterothecidae is an extinct family of Paleozoic molluscs of uncertain position, either Gastropoda or Monoplacophora, with isostrophically coiled shells.Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Pterothecidae in the superfamilia Bellerophontoidea within the
Paleozoic molluscs of uncertain systematic position with isostrophically coiled shells.
This family consists of the following subfamilies :
Genera in the family Pterothecidae include: