Leckie, RM; Wade, BS; Pearson, PN; Fraass, AJ; King, DJ; Olsson, RK; Premoli Silva, I; ... Berggren, WA; + view all (2018) Taxonomy, biostratigraphy, and phylogeny of Oligocene and early Miocene Paragloborotalia and Parasubbotina. In: Wade, BS and Olsson, RK and Pearson, PN and Huber, BT and Berggren, WA, (eds.) Atlas of Oligocene Planktonic Foraminifera. (pp. 125-178). Cushman Foundation for Foraminiferal Research: Lawrence, KS, USA. Green open access