1926  Medlicottia borealis Chernyshev in Karpinskii, 1 (nom.nud., manuscr.). (Reprint 1945: 165).
      -----    Episageceras borealis (Tschernyschew) Karpinskii: 1, fig.1a-h. [Reprint 1945: 165, text-fig.60 a-h].
     1928  Episageceras borealis.-Karpinskii: 3, text-fig.7.  [Reprint Karpinskii 1945: 490, 494].
     1949  Neogeoceras boreale (Tschernyschew).-Ruzhentsev: 157, text-fig.76a.

[Remark: Karpinskii 1926 has given a first description of the species as "Episageceras borealis Tschernyschew"].

Fig. TAX3235 A (suture).   Fig. TAX3235A (from Karpinskii, reprint 1945, fig.60, conch and suture).