Kroh, Andreas, Rich Mooi, Claudia Del Río, and Christian Neumann. “A New Late Cenozoic Species of Abertella (Echinoidea: Clypeasteroida) from Patagonia”. Zootaxa 3608, no. 5 (January 22, 2013): 369–378. Accessed April 22, 2025. https://mapress.com/zt/article/view/zootaxa.3608.5.5.