First issued in release COL21.4.
Last used in release COL23.9
Published in
Eremeeva, A. I., & Belousova, N. A. (1961). Стратиграфия и фауна фораминифер меловых и палеогеновых отложений восточного склона Урала, Зауралья и Северного Казахстана - Stratigraphy and fauna of foraminifera from Cretaceous and Paleogene sediments of the eastern slope of the Urals, Trans-ural and Northern Kazakhstan. Материалы по геологии и полезным ископаемым Урала - Materials on Geology and Mineral Resources of the Urals, 9: 3–189. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=288537