Columbia subject headings:
Harvard subject headings:
Bivalves, Fossil--Russia (Federation)--Siberia.
Heterodontidae (Fishes)--Russia (Federation)--Siberia.
Paleontology--Triassic
Princeton subject headings:
Bivalves, Fossil--Siberia (Russia).
Heterodontidae (Fishes)--Siberia (Russia).
Paleontology--Triassic.