Triptychus

Triptychus is a genus of sea snails, marine gastropod mollusks in the family Pyramidellidae, the pyrams and their allies.

Description
The subulate shell is spirally paucilirate. The aperture is lirate within, subsinuated in front. The columella is triplicate.

Species
Species within the genus Triptychus include:
 * Triptychus incantatus (Hertlein & A. M. Strong, 1939)
 * Triptychus litosbathron Pimenta, Santos & Absalao, 2008
 * Triptychus niveus (Mørch, 1875)
 * Triptychus pacificus Corgan, 1973
 * Synonyms:
 * Triptychus olssoni (Bartsch, 1926) : synonym of Triptychus incantatus (Hertlein & A. M. Strong, 1939)
 * † Triptychus pliocena Bartsch, 1955 : synonym of Peristichia pliocena (Bartsch, 1955) (original combination)