1957  Nomismoceratidae Librovich: 265.
     1960  Nomismoceratidae.-Ruzhentsev: 202,
     1960  Nomismoceratinae.-Ruzhentsev: 202 [nom. transl.],
     1962  Nomismoceratinae.-Osnovy: 367.
     1962  Nomismoceratinae.-Kullmann: 75.
     1971  Nomismoceratidae.-Ruzhentsev & Bogoslovskaia: 162.
     1996  Nomismoceratidae.-Riley: 28.

Superfamily Nomismocerataceae Librovich,1957:

A:   Conch form generally small, thin-discoidal, vermiculate, with wide umbilicus; advanced genera thick-discoidal
and rather involute. Some forms with tetragonal coiling of inner whorls.
B:   Shell surface smooth or with simple or divaricate ribs. Growth lines with ventro-lateral salient and well
developed ventral sinus.
F:   Longitudinal lirae or ventrolateral grooves may be present.
G:   Ventral lobe moderately wide, with rather low median saddle. First lateral saddle and adventitious lobe rounded,
rarely pointed. Sutural formula [Germ.:] (E1EmE1)ALUI, [Russ.]  (V1V1)LU:ID].

Family Nomisnoceratidae Librovich,1957:

Shell surface smooth. No tetragonal coiling of inner whorls. [Fayettevilleinae are based on small, planorbiform ammonoids].