First issued in release COL21.4.
Last used in release COL23.9
Published in
Chaster, G. W. (1892). Report upon the foraminifera of the Southport Society of Natural Science district. First report Southport Society of Natural Science (1890-1891), appendix: 54-72. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=183394