First issued in release COL21.4.
Last used in release COL23.9
Published in
Coryell, H. N., & Embich, J. R. (1937). The Tranquilla Shale (Upper Eocene) of Panama and its foraminiferal fauna. Journal of Paleontology, 11: 289–305. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=183606