Mollusca Linnaeus, 1758 - molluscs
see Phylum Mollusca Linnaeus, 1758
Gastropoda Cuvier, 1795
see Class Gastropoda Cuvier, 1795
Clade Caenogastropoda Cox, 1960
see Superorder Caenogastropoda Cox, 1960
Clade Sorbeoconcha Ponder & Lindberg, 1997
see Order Sorbeoconcha Ponder & Lindberg, 1997
Superfamily Cerithioidea Fleming, 1822
Family Planaxidae Gray, 1850
Subfamily Fossarinae Adams, 1860