1992  Pachyclymeniidae Korn: 126.
     2002  Pachyclymeniidae.-Korn & Klug: 227.

Typ. Genus: Pachyclymenia Schindewolf, 1937, p.65.

Superfamily Biloclymeniaceae:

A:   Conch small, normally coiled, "goniatitoid", subdiscoidal to subglobular, with narrow umbilicus. Whorl height
       increasing slowly; whorls deeply impressed dorsally. Youth stages without marked constrictions.
B:   Growth lines with broad, more or less prominent ventrolatral salient, withou ribs.
G:   Suture-line with dorsal lobe which is in the family Pachyclymeniidae shallow and broad, in the Biloclymeniidae
       divided by a broad median saddle. It contains always a lateral lobe  and may be complemented by one or two
       umbilical lobes.

Family Pachyclymeniidae:

Biloclymeniaceae without a median saddle in the shallow ventral lobe. Only one umbilical lobe.