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