Tropidodiscidae
Tropidodiscidae is an extinct family of Paleozoic fossil molluscs with isostrophically coiled shells. They are of uncertain position taxonomically, in other words it is not known whether they were s.Taxonomy
The taxonomy of the Gastropoda by Bouchet & Rocroi, 2005 categorizes Tropidodiscidae in the superfamilia Bellerophontoidea within the
Paleozoic molluscs of uncertain systematic position with isostrophically coiled shells. This family has no subfamilies.Genera in the family Tropidodiscidae include:
