Taxonomy, biostratigraphy, and phylogeny of Eocene Catapsydrax, Globorotaloides, Guembelitrioides, Paragloborotalia, Parasubbotina, and Pseudoglobigerinella n. gen. Cushman Foundation for Foraminiferal Research Special Publication, 41, August 31 2006: 67-110. 83 [Zoological Record Volume 143]