1949  Prothalassoceras jaikense - Ruzhentsev: fig.10 (nom.nud.).
     1950  Prothalassoceras jaikense Ruzhentsev: 111, pl.4 fig.7-9, text-fig.40a-g.
     1962  Prothalassoceras jaikense.-Bogoslovskii, Librovich & Ruzhentsev: 370, pl.18 fig.4, text-fig.135v, 136a.
     1975  Prothalassoceras jaikense.-Popov: 118, pl.38 fig.3, 4, pl.47 fig.8.
     1995  Prothalassoceras jaikense - Bogoslovskaya, Leonova & Shkolin: 297, fig.10.2.

Holotype: PIN 320/1301.

Fig. see TAX5215A C, TAX2830 C (cross-section).  Fig. see TAX5217 B (suture).