First issued in release COL21.4.
Last used in release COL23.2
Published in
Reitlinger, E. A. (1959). Атлас микроскопических органических остатков и проблематики древних толщ Сибири - Atlas of microscopic organic remains and problems of the ancient strata of Siberia. Труды Геологического института АН СССР - Proceedings of the Geological Institute of the USSR Academy of Sciences (Moscow), 25: 1–85. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=299633