1948 - 1977  Eumorphoceras bisulcatum div.auctorum - teste Titus, 2000, p.18.
     1981  Eumorphoceras rotuliforme Ruan: 189, pl.5 fig.21-23,
           textfig.35.
     1983  Eumorphoceras rotuliforme.-Yang et al.: pl.13 fig.6-7 (teste Titus,2000,p.18).
     2000  Eumorphoceras rotuliforme.- Titus: 18, text-fig.16, pl.2 fig.4-10.

Fig. see TAX2699 B (suture).