Authors Year Title
Kotlyar, Zakharov & Kropacheva 1983 Pozdnepermiskii etap evoliutsii organicheskogo mira. Dzhul'finskii i Dorashamskii yarusy SSSR. [G.V.Kotliar, Yu.D.Zakharov, B.V.Koczyrkevich, G.S.Kropatcheva, K.O.Rostovtsev, I.O. Chedia, G.P.Vuks & E.A.Guseva].
Zakharov, Y.D., In: p.56-57, 76-77, 85-86, 93, 106-109, 121-124, 150-157, fig.10-14,pl.14-15, (Nauka) Leningrad.
Zakharov 1984 Ontogenez permskikh Pronoritidae i Medlicottiidae i problema proiskhozhdeniya tseratitov.
In: Sistematika i evolyutsiya bespozvonochnykh Dal'nego Vostoka; DVNTs AN SSSR, 1984: 23-40, fig.1-4, pl.2-8; Vladivostok.