Obtortionidae is a family of sea snails, marine gastropod molluscs in the superfamily Cerithioidea, that is within the clade Cerithimorpha or in clade Sorbeoconcha.
Genera within the family Obtortionidae include: • Obtortio Hedley, 1899 • Finella Adams, 1860 is in subfamily Finellinae within Bittiidae per Bandel (2006) ==Footnotes==