1870 Goniatites Münsteri.-Tietze: 130, pl.16 fig.7.
1902 Sporadoceras contiguum.-Frech, p.82, textfig.35d2, non d1.
1918 Sporadoceras contiguum var.posthuma Wedekind, p.149, 171, pl.28 fig.13,textfig.47k.
1922 Sporadoceras contiguum var. posthuma.-Schmidt, p.328, textfig.6a.
1923 Sporadoceras Wedekindi.-Schindewolf, p.349, textfig.7b.
1929 Sporadoceras posthumum.-Lange, p.51.
1931 Sporadoceras posthumum.-Matern: 46.
1959 Sporadoceras posthumum.-Petter, p.275, pl.22 fig.6,7, textfig.58G.
1959 Sporadoceras posthumum.-House, p.318, pl.6,3 fig.1c.
1966 Sporadoceras posthumum.-Chlupac, p.96, pl.3 fig.5.
1971 Sporadoceras (Sporadoceras) posthumum.-Bogoslovskii: 155, pl.13 fig.1-3.
1975 Sporadoceras (Sporadoceras) posthumum.-Petersen, p.42, pl.6 fig.1-3, textfig.21E,22A,23.
1981 Sporadoceras posthumum.-Ruan: 53, pl.10 fig.23-26, textfig.24.
1985 Sporadoceras posthumum.-Ruan et al.: 263.
1995 Sporadoceras posthumum.-Becker: 621, fig.7d, pl.3 fig.12-13.
1996 Sporadoceras posthumum.-Becker: 21, pl.2 fig.3-4.
1997 Sporadoceras posthumum.-Becker: fig.1b.
1999 Posttornoceras posthumum.-Korn: 155, text-fig.5L.
---- Posttornoceras contiguum.-Korn: text-fig.5j.
2000 Sporadoceras posthumum.-Becker & House: 40.
2002 Posttornoceras posthumum.-Becker: 63, pl.2 3-4, 9-12, pl.3 1-2.
2002 Posttornoceras posthumum.-Korn & Klug: 168.
2005 Sporadoceras posthumum.-Nikolaeva & Bogoslovsky: 40.

Neotype: MB.C.2176, by designation of Becker,1997.