PURPER, I. e WÜRDIG-MACIEL, N.L. 1974. Occurrence of Heterocypris incongruens (Ramdohr), 1808 - Ostracoda - in Rio Grande do Sul, Brazil. Discussion on the allied genera: Cyprinotus, Hemicypris, Homocypris and Eucypris. Pesquisas em Geociências. 3, 3 (jun. 1974), 69–91. DOI:https://doi.org/10.22456/1807-9806.21855.