1940  Popanoceras congregale Ruzhentsev: pl.2 fig.g.
     1956  Popanoceras congregale.-Ruzhentsev: 226, pl.35 fig.1, 2, textfig.81.
     1962  Popanoceras congregale.-Bogoslovskaya: 83, pl.11 fig.4,5, text-fig.41, 42.
     1986  Popanoceras congregale.-Bogoslovskaia: 63; pl.46 fig.9, pl.59 fig.14.

Fig. TAX3868 A-B (sutures).