Ferreira, G. S. , G. Hermanson , F. V. Iori & M. C. Langer . 2018. New turtle remains from the Late Cretaceous of Monte Alto?SP, Brazil, including cranial osteology, neuroanatomy and phylogenetic position of a new taxon. Paläontologische Zeitschrift . doi.org/10.1007 /s125 42-017-0397-x .