Family Cavisomidae Meyer, 1932

Paracavisoma impudicum (Diesing, 1851) —adult

Host and habitat: Oxydoras kneri (FW), Oxydoras niger (FW)

Locality: Upper Parana River/Paraná, Mato Grosso

References: Diesing (1851), Travassos et al. (1928), Kritischer (1957), Golvan (1969), Eiras et al. (1995), Rêgo and Vicente (1988), Thatcher (1991, 2006)