1984a Bamyaniceras obliquinodosum Leonova: 46, pl.4 fig.4,5,
           textfig.4.
     1989  Bamyaniceras obliquinodosum.-Leonova in Leonova &
           Dmitriev: 94, pl.3 fig.4,5.
     1990  Bamyaniceras obliquinodosum.-Leonova: 105, textfig.1b.