Authors Year Title
Tumanskaia 1931 Permo-Karbonovye otlozheniya Kryma. I. Cephalopoda, Ammonoidea. [In Russian, with English extensive summary: The Permo-Carboniferous beds of the Crimea. I. Cephalopoda, Ammonoidea.]
Glavnoe geologo-razvedochnoe upravlenie, Inst.Geol. Karty, Paleont. i stratigr., 1-117, 50 figs., 8 pls., 1 tabl., Moskva-Leningrad (Geol.Izdat.).
Tumanskaia 1938 O nekotorykh novykh rodakh semeistva Popanoceratidae Hyatt.
Sovetskaia geologiia, 12: 106-108, fig.1-6; Moskva.