Shimansky 1965. Nautiloidea pp. 1965 157-165. Ruzhentzev, V. E.; Sar'cheva, T. G.[Eds]. [Development and succession of organisms on the boundary of Paleozoic and Mesozoic], [Development and succession of organisms on the boundary of Paleozoic and Mesozoic] Trudy paleozool. Inst. Akad. Nauk SSSR 108: 1-431, 58 pls., 59 figs., 16 tabs. [In Russian]", 1965: 1-431. Chapter pagination: 1-431