Trenchia

Trenchia is a genus of sea snails, marine gastropod mollusks, unassigned in the superfamily Seguenzioidea.

Species
Species within the genus Trenchia include:
 * Trenchia agulhasae (Clarke, 1961)
 * Trenchia anselmoi Rubio & Rolán, 2013
 * Trenchia biangulata Rubio & Rolán, 2013
 * Trenchia teriuga Hoffman, Gofas & Freiwald, 2020
 * Trenchia wolffi Knudsen, 1964
 * Trenchia xenos (Hoffman, Van Heugten & Lavaleye, 2010)
 * Species brought into synonymy:
 * Trenchia argentinae (Clarke, 1961) : synonym of Trenchia agulhasae argentinae (Clarke, 1961)