First issued in release COL21.4.
Last used in release COL23.9
Published in
Petters, S. W. (1979). Maastrichtian arenaceous foraminifera from north-western Nigeria. Palaeontology, 22(4): 947–963. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=381378