1957  Cravenoceratidae Ruzhentsev: 58.
     1971  Cravenoceratidae.-Ruzhentsev & Bogoslovskaia: 243.

A:   Conch form broad or thick-discoidal, moderately evolute to involute; evolute on inner whorls.
B:   Surface in general smooth
F:   Weak spirals may be present in some species; coarse, widely spaced longitudinal lirae rare.
G:   Ventral lobe relatively narrow, median saddle comparatively low, in most forms less than half of height of entire ventral lobe.

Subfamily Cravenoceratinae RUZHENTSEV, 1957

[nom.transl. RUZHENTSEV, 1960, p.212 (ex Cravenoceratidae RUZHENTSEV, 1957, p.58); = Lyrogoniatitinae RUZHENTSEV &
BOGOSLOVSKAIA, 1971, p.272].

Umbilicus moderately narrow. Growth striae dominant, frequently lamellar, sometimes dichotomizing. Spiral ornamentation may be present, but no reticulate ornament.