Reference
Eduardo Gentil, Larissa Azevedo de Medeiros, Richard Carl Vogt, Adrian A. Barnett (2021): Biology of the Big-headed Amazon River Turtle, Peltocephalus dumerilianus (Schweigger, 1812) (Testudines, Pleurodira): the basal extant Podocnemididae species – Herpetozoa – 34: 207 - 222.