Columbia subject headings:
Foraminifera, Fossil--Russia (Federation)--Siberia, Western.
Paleontology--Devonian.
Harvard subject headings:
Foraminifera, Fossil--Russia (Federation)--Siberia, Western.
Paleontology, Stratigraphic.
Paleontology--Devonian
Princeton subject headings:
Foraminifera, Fossil--Russia (Federation)--Siberia, Western.
Paleontology--Devonian.