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Scientific classification e
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Clade: Neritimorpha
Family: Pseudorthonychiidae
Genus: Pseudorthonychia

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).


The sole genus in this family is:


  • Paleobiology database entry
  • K. Bandel and J. Frýda. 1999. Notes on the evolution and higher classification of the subclass Neritimorpha (Gastropoda) with the description of some new taxa. Geologica et Palaeontologica 33(2):219-235