1899  Gephyroceras lebedeffi Holzapfel, p.39, pl.6 fig.11, textfig.10.
     1913  Gephyroceras (Gephyroceras) lebedeffi.-Frech, p.22.
     1962a Ponticeras lebedeffi.-Bogoslovskiy, pl.6 fig.9.
     1969  Ponticeras lebedeffi.-Bogoslovskiy, p.205, pl.11 fig.1.
     1997  Ponticeras lebedeffi.-Kuzmin & Yatskov: 31.

Fig. see TAX1105 B (cross-section).
Fig. see TAX5414A D (cross-section).