First issued in release COL21.4.
Last used in release COL23.9
Published in
Serova, M. Y. (1966). Фораминиферы палеоценовых отложений Восточной Камчатки - Foraminifera from Paleocene deposits of eastern Kamchatka. Труды ГИН - Transactions of the Geological Institute (Academy of Sciences USSR), 127: 1–106. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=289594