1992  Sphenoclymeniidae Korn: 127.
     2002  Sphenoclymeniidae.-Korn & Klug: 271.

Typ. Genus: Sphenoclymenia Schindewolf, 1920, p.128.

C:   Ribs and spines (Sphenoclymenia), or only ribs (Medioclymenia).
G:   Sutural formula: E A2 A1 L U1 U2 I, ventral lobe deep, lanceolate, lateral lobe V-shaped.

Characters are of mere generic significance.