Dreher Mansur, M. C., Volkmer-Ribeiro, C., & Lopes de Carvalho, J. (1997). Paxyodon
syrmatophorus (MEUSCHEN, 1781) (Mollusca, Bivalvia, Unionoida) in the Curuá-Una reservoir, Santarém, Pará, Brazil.
Amazoniana: Limnologia et Oecologia Regionalis Systematis Fluminis Amazonas, 14(3/4),
349-351.