“Manual of New Zealand Permian Lo Pleistocene Foraminiferal Biostratigraphy, 1989. By , N. De B. Hornibrook, R. C. Brasier and C. P. Strong. New Zealand Geological Survey Paleontological Bulletin 56, Lower Hutt, 175 Pp”. Ameghiniana 27, no. 1-2 (December 8, 2013): 191–192. Accessed October 15, 2025. https://ameghiniana.org.ar/index.php/ameghiniana/article/view/1996.