| Pseudorthonychiidae | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Gastropoda |
| clade: | Neritimorpha |
| clade: | Cycloneritimorpha |
| Family: | †Pseudorthonychiidae |
| Genus: | †Pseudorthonychia |
Pseudorthonychiidae is an extinct, monogeneric family of gastropods in the clade Cycloneritimorpha (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).