Wade, B.S., Pearson, P.N., Olsson, R.K., Fraas, A.J., Leckie, R.M., Hemleben, C. (2018). Taxonomy, biostratigraphy, and phylogeny of Oligocene and lower Miocene Dentoglobigerina and Globoquadrina. Cushman Foundation for Foraminiferal Research Special Publication. 46: 331-384.