Pseudorthonychiidae

Pseudorthonychiidae is an extinct, monogeneric (contains only one genus) family of fossil snails, gastropod mollusks in the clade Cycloneritimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Genera
The sole genus in this family is:
 * Pseudorthonychia Bandel & Frýda, 1999