First issued in release COL21.6.
Last used in release COL23
Published in
Speijer, R. P. (1994). Extinction and recovery patterns in benthic foraminiferal paleocommunities across the Cretaceous/Paleogene and Paleocene/Eocene boundaries. Geologica Ultraiectina - Mededelingen van de Faculteit Aardwetenschappen Universiteit Utrecht 124: 1-191. https://www.marinespecies.org/foraminifera/aphia.php?p=sourcedetails&id=187591