Literature
- Mertens, R. 1967. Bemerkenswerte Susswasserschildkröten aus Brasilien. Senck. Biol. 48: 71-82.
- Rhodin, A. G. J., R. A. Mittermeier, and R. da Rocha e Silva. 1982. Distribution and taxonomic status of Phrynops hogei, a rare chelid turtle from southeastern Brazil. Copeia.