1937  Triaclymenia Schindewolf: 90.
     1957  Triaclymenia.- Treatise: L46.
     1960  Triaclymenia.- Ruzhentsev: 242.
     1962  Triaclymenia.- Osnovy: 405.
     1981  Triaclymenia.- Bogoslovskii: 105.
     2000  Triaclymenia.- Becker: 39.
     2002  Triaclymenia.-Korn & Klug: 260.

     Type species: Triaclymenia triangularis Schindewolf, 1937, p.91 [OD].

A:   Conch triangularly coiled, lenticular; venter broadly rounded; flanks convex; umbilicus narrow or moderately wide.
D:   Three constrictions cause tri-segmented conch.
G:   Suture line with broad, asymmetric lateral lobe. Other lobes can be missing.