Lepidopleurida

Lepidopleurida is an order of molluscs belonging to the class Polyplacophora. The order Lepidopleurida is the oldest group of polyplacophoran molluscs Families: Abyssochitonidae †Acutichitonidae Afossochitonidae †Camptochitonidae †Cymatochitonidae †Glyptochitonidae †Gryphochitonidae Hanleyidae †Heterochitonidae †Lekiskochitonidae Leptochitonidae †Llandeilochitonidae †Mesochitonidae Nierstraszellidae †Permochitonidae Protochitonidae

Ferreiraella is a genus of Lepidopleurid chiton that belongs to the family Abyssochitonidae. The family it belongs to contains only this genus making it monotypic.