1938  Martoceras oschensis Tumanskaya: 107.
     1949  Martoceras oschensis.-Tumanskaya: 70, pl.3 fig.1,2, textfig.17.
     1963  Martoceras oschensis.-Tumanskaya: 61, pl.13 fig.1.
     1989  Prostacheoceras oshense [sic !].-Leonova in Leonova &  Dmitriev: 170, pl.15 fig.1,2.
cf  1990  Prostacheoceras cf. P. oshense.-Glenister, Furnish, Zhou & Polahan: 480, see TAX3966: P. sp.