non1867  Goniatites discoides Trenkner fide Korn,2002,p.273 = nomen oblitum according to ICZN art.23b, invalid name.
     1885  Goniatites discoides Waldschmidt: 87, pl.2 fig.13.
     1885  Goniatites discoides.-Waldschmidt, p.920, pl.39 fig.3-3b.
     1895  ? Agoniatites discoides.-Holzapfel, p.67, pl.4 fig.13.
     1902  Pinacites ? discoides.-Frech, p.53, textfig.14.
     1918  Agoniatites discoides.-Wedekind, p.112.
     1959  Agoniatites discoides.-Petter, p.87, pl.2 fig.13.
     2001  Sellagoniatites discoides.-Aboussalam & Becker: 89, fig.3 Bed A1, A2, A3, pl.1 fig.
     2002  Sellagoniatites waldschmidti Korn: 273 [for Goniatites discoides Waldschmidt,1885 because of  Goniatites discoides                   Trenkner,1867, nomen oblitum, according to ICZN art.23b; new name therefore invalid.