de Oliveira, G.R. and Kellner, A.W.A. 2007. A new side-necked turtle (Pleurodira, Pelomedusoides) from the Santana Formation (Early Cretaceous), Araripe Basin, Northeastern Brazil. Zootaxa. 1425, 1 (Mar. 2007), 53–61. DOI:https://doi.org/10.11646/zootaxa.1425.1.7.