pars 1895  Tornoceras.-Holzapfel:80.
pars 1902  Tornoceras.-Frech:45.
pars 1913  Parodiceras.-Wedekind:83.
pars 1918  Parodiceras.-Wedekind:115.
pars 1928  Wedekindella Schindewolf: 311.
pars 1929  Parodicerellum Strand: 9.
     1932  Holzapfeloceras Miller: 330.
     1933  Holzapfeloceras.-Schindewolf: 99.
     1955  Holzapfeloceras.-Petter: 576.
     1957  Parodicerellum.-Treatise: L31.
     1958  Parodicerellum.-Bogoslovskii: 79.
     1962  Parodicerellum.-Osnovy: 339.
     1978  Holzapfeloceras.-House: 36.
     1983  Holzapfeloceras.-Chlupac & Turek: 67.
     1987  Holzapfeloceras.-Göddertz: 169.
     1994  Holzapfeloceras.-Becker & House: 97.
     2002  Holzapfeloceeras.-Korn & Klug: 138.

Type species: Tornoceras convolutum Holzapfel, p.88.

[Chlupac & Turek, 1983, p.67:  Shell discoidal or subglobular, involute, gently expanding. Lateral sides convex, venter rounded, not markedly separated from thr lateral sides (marked ventrolateral sulci usually absent). Imprint zone deep and rounded, umbilicus very narrow. Body chamber long, occupying all of the last whorl (or even longer). Growth lines biconvex. Mature suture shows rounded dorsal lobe , well defined umbilical lobe, rather broad lateral saddle, moderately wide lateral lobe, and narrow ventral lobe.]