Ėndot͡s︡eratoidei Ordovika SSSR
By: Z.G. Balashov.
Publisher: Izdatel'stvo Leningradskogo universiteta
Published: 1968
Place of publication: Leningrad
Language: rus
Number of pages: 276
Subjects: Endoceratoidea.; Mollusks -- Soviet Union.; Paleontology -- Ordovician.; Paleontology -- Soviet Union.
Notes: Bibliography: p. 162-[170].
At head of title: Leningradskiĭ ordena Lenina gosudarstvennyĭ universitet imeni A.A. Zhdanova.
Includes 51 p. of illustrations with captions on facing pages and index.