First issued in release COL21.6.
Last used in release COL23
Published in
Hofker, J. (1956). Tertiary foraminifera of coastal Ecuador- Part II Additional notes on the Eocene species. Journal of Palaeontology, 30: 891–958. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=185608