Combined multigene and morphological analysis reveals lineage-specific diversification of the neotropical freshwater crabs of the genus Fredius Pretzmann, 1967 (Brachyura, Pseudothelphusidae) - Mantelatto, Fernando Luis Medina; Souza-Carvalho, E. A.; Araújo, S. R.; Magalhães, C. (Systematics and Biodiversity, 2022)