1918  Agoniatites bicaniculatus Sandberger.-Wedekind: 113.
     1959  Agoniatites bicaniculatus.-Petter: 78, fig.25B, pl.3 fig.8-10, pl.26 fig.1,1a.
     2000  Fidelites bicaniculatus.-Klug, Korn & Reisdorf: 50.
     2004  Fidelites bicaniculatus.-Ebbighausen et al.: 49, pl1 fig.H.

Erroneous spelling of Sandberger's name by Wedekind,1918.