pt.  1924  Glatziella nucleus Schmidt: 119, pl.6 fig.11, non fig.10.
pt.  1924  Gattendorfia globularis.-Schmidt: 120, pl.6 fig.12 non fig.13.
      1937  Prionoceras biforme Schindewolf, p.15.
      1959  Prionoceras biforme.-Petter, p.257.
      1960  Kenseyoceras (Kenseyoceras)  rostratum Selwood, 171, pl.28 fig.4-10, text-fig.5a.
      1992  Balvia biforme.-Korn: 25, pl.2 fig.2F.
      1994  Balvia biforme.-Korn: 29, textfig.24A-D; 27D.
      1996  Balvia (Kenseyoceras) biforme.-Becker: 32.
      2002  Kenseyoceras biforme.-Korn & Klug: 191, Fig.169 E. Fig.172 D.
     2009  Balvia biformiis.-Kullmann in Furnish et al.:textfig.1, 4d-e.
     2011   Kenseyoceras biforme. - Woroncowa-Marcinowska, 41, text-figs. 4d-L, 5A-B, E.

Fig. see TAX675 B (suture, Kenaseyoceras rostratum).