pt.  1914  Tornoceras.-Perna:39
pt.  1922  Tornoceras (Pernoceras) Schindewolf: 188.
      1971  Kirsoceras Bogoslovskii: 82.
      2002  Kirsoceras.-Korn & Klug: 166.

Type species: Tornoceras rotundatum Perna, 1914, p.41 [OD].

Bogoslovskii, 1971 p.82: Kirsoceras:

Conch thinly discoidal, semi-evolute, flattened laterally, with narrowly rounded venter.  Shell surface smooth or with distinct radial ribs.  Suture line forms a very wide, rounded lateral lobe, a small umbilical lobe and a wide, deep, tongue-shaped dorsal lobe.  Ventral lobe not present, in its place a high, thin, roundedly-angular ventral saddle is developed.  Siphuncle subventral, situated at a distance from the venter.