Ocherki po filogenii i sistematike iskopaemykh ryb i bescheli︠u︠stnykh.
Contributors: Obruchev, D. V. 1900-1970.; Nauchnyĭ sovet po probleme "Puti i zakonomernosti istoricheskogo razvitii︠a︡ zhivotnykh i rastitelʹnykh organizmov" (Akademii︠a︡ nauk SSSR)
Publisher: #
Place of publication: Moskva
Language: rus
Number of pages: 173
Subjects: Agnatha, Fossil; Paleontology -- Soviet Union
Notes: On leaf preceding t. p.: #