Triplostephanus

Triplostephanus is a genus of sea snails, marine gastropod mollusks in the family Terebridae, the auger snails.

Species
Species within the genus Triplostephanus include:
 * † Triplostephanus wilfordi Harzhauser, Raven & Landau, 2018
 * Species brought into synonymy:
 * Triplostephanus elliscrossi (Bratcher, 1979) : synonym of Terebra elliscrossi Bratcher, 1979
 * Triplostephanus fenestratus (Hinds, 1844) : synonym of Terebra fenestrata Hinds, 1844
 * Triplostephanus guineensis (Bouchet, 1983) : synonym of Terebra guineensis Bouchet, 1983
 * Triplostephanus hoaraui (Drivas & Jay, 1988) : synonym of Terebra hoaraui (Drivas & Jay, 1988)
 * Triplostephanus lima (Deshayes, 1857) : synonym of Cinguloterebra lima (Deshayes, 1857)
 * Triplostephanus triseriatus (Gray, 1834) : synonym of Terebra triseriata Gray, 1834
 * Triplostephanus waikikiensis (Pilsbry, 1921) : synonym of Terebra waikikiensis Pilsbry, 1921