pt.  1944  Kingoceras kingi Miller in King, et al.: 125, pl.42 fig.8,9 (not pl.42 fig.6,7, textfig.29E=K.kingi).   
      1970  Eoaraxoceras ruzhencevi Spinosa, Furnish & Glenister: 732, pl.109 fig.1-9, textfig.1,2A,3.
non1979  Eoaraxoceras ruzhencevi-Bando: 116, pl.2 fig.6a,b (= ?Araxoceras sp.), pl-2 fig.3a,b (= E. robustum).
     2000  Eoaraxoceras ruzhencevi.-Spinosa & Glenister: 400, fig.18-4 A-M.

Holotype: SUI 32895 Iowa City.

Fig. TAX4459 (sutures and cross-section).