In cyrillic characters.
Vols.1- published in Leningrad.
Title also in French, v. 1- .
Some articles have summaries in English or French.
Issued by the Society under its earlier names: v. l-9, Russkoe paleontologicheskoe obshchestvo; v. 10- Vserossiiskoe paleontologicheskoe obshchestvo.