Mooi, R., Martínez, S.A., Río, C.J.D. & Ramos, M.F. (2018)

Late Oligocene–Miocene non-lunulate sand dollars of South America: Revision of abertellid taxa and descriptions of two new families, two new genera, and a new species

. Zootaxa, 4369 (3), 301–326.
https://doi.org/10.11646/zootaxa.4369.3.1