1965  Tornoceras (Linguatornoceras) House: 91.
     1985  Linguatornoceras.-House & Price: 165.
     1993  Linguatornoceras.-Becker: 186.
     2002  Linguatornoceras.-Korn & Klug: 158.

Zype species: Goniatites retrorsus lingua Sandberger & Sandberger 1850/56, p.109 OD].

A:   Conch discoidal, without umbilicus, with moderately high aperture. Ventral side rounded or flattened.
B:   Growth lines biconvex; ventro-lateral grooves may occur.
D:   Constrictions maybe present.
G:   Adventitous lobe deep and narrowly tongue-shaped, subacute.