Gaffney, Eugene S.; Campos, Diógenes de Almeida.; Hirayama, Ren.
(New York, NY : American Museum of Natural History, 2001)
"The early Cretaceous Santana Formation exposed on the Chapada do Araripe in Ceará State, northeastern Brazil, has yielded remains of a side-necked turtle, Cearachelys placidoi, new genus and species. Cearachelys is based ...