1908  Sporadoceras contiguum.-Wedekind: 597, pl.39 fig.46.
     1918  Sporadoceras contiguum.-Wedekind: 149, text-fig.47h.
     1929  Sporadoceras contiguum.-Lange: 50, text-fig.8.
?   1971  Sporadoceras (Sporadoceras) contiguum.-Bogoslovskii: 154, pl.12 fig.2,3.
     1993  Sporadoceras contiguum.-Becker: 317, pl.26 fig.13-14, text-fig.95j.
     2002  Posttornoceras fallax Korn in Korn & Ziegler: 459, text-fig.4B-D.

Holotype: MB.C.816.1