1994  Mithraxites Becker & House: 95.
     2002  Mithraxites.-Korn & Klug: 150 (as belonging in Parodiceratidae).

Type species: Goniatites mithrax Hall, 1860, p.98 [OD].

A:   Shell thinly discoidal with slowly expanding whorls. Umbilicus small, open. Imperforate.
B:   Growth lines biconvex.
G:   Broadly rounded lateral saddle, narrow and high ventral saddle.

Affiliation to Family questionable, assigned to Parodiceratinae by Korn & Klug, 2002, p.152].