Olivera-Hyde, M., E. Hallerman, R. Santos, J. Jones, B. Varnerin et al. 2020. Phylogenetic assessment of freshwater mussels Castalia ambigua and C. inflata at an ecotone in the Paraguay River Basin, Brazil shows that inflated and compressed shell morphotypes are the same species. Diversity 12(12), 481: 1-32. Available electronically.