Leptochitonidae

Leptochitonidae is a family of polyplacophoran mollusc. While the subfamily Leptochitoninae has both extant and extinct species, all members of Helminthochitoninae are extinct.^[1]

Leptochitonidae
Leptochiton asellus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Polyplacophora
Order:	Lepidopleurida
Suborder:	Lepidopleurina
Family:	Leptochitonidae Dall, 1889
Genera
Subfamily Helminthochitoninae Helminthochiton Salter, 1846 Pterochiton Dall, 1882 Cymatochiton Dall, 1882 Pterygochiton De Rochebrune, 1883 Trachypleura Jawkel, 1900 Permochiton Iredale & Hull, 1926 Pseudischnochiton Ashby, 1930 Acutichiton Hoare et al, 1972 Mesochiton Van Belle, 1975 Subfamily Leptochitoninae Lepidopleurus Risso, 1826 Leptochiton Gray, 1847 Parachiton Thiele, 1909
Synonyms
Lepidopleuridae