First issued in release COL21.4.
Last used in release COL23.9
Published in
Grozdilova, L. P. (1966). Фораминиферы верхнего карбона Северного Тимана-Foraminifera from the Upper Carboniferous of the North Timan. Микрофауна CCCR, Microfauna of the USSR, Proceedings of the Oil Research Geological Institute (ВНИГРИ-VNIGRI), Col. 14, 250: 254–363. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=261797