Family Echinorhynchidae Cobbold, 1876

Brasacanthus sphoeroides Thatcher, 2001 —adult Host and habitat: Sphoeroides greeleyi (MAR) Locality: Off Parana

References: Thatcher (2001)

Echinorhynchus briconi Machado Filho, 1959 (syn. Metechinorhynchus briconi)—adult Host and habitat: Brycon hilarii (FW)

Locality: São Paulo

References: Machado Filho (1959c), Golvan (1969), Thatcher (1991, 2006)

Echinorhynchus gomesi Machado-Filho, 1948 —adult Host and habitat: Prochilodus nigricans (FW) Locality: Mato Grosso

References: Machado Filho (1948)

Echinorhynchus gracilis Machado Filho, 1948 —adult Host and habitat: Brycon hilarii (FW)

Locality: São Paulo

References: Machado Filho (1948)

Echinorhynchus jucundus Travassos, 1923 —adult Hosts and habitat: Piaractus brachypomus (syn. Colossoma bidens) (FW), Piaractus mesopotamicus (FW)

Locality: São João, Mato Grosso

References: Travassos (1923), Machado Filho (1948), Ferraz de Lima et al. (1990), Thatcher (1991, 2006)

Echinorhynchus paranensis Machado-Filho, 1959 —adult Host and habitat: Triportheus paranensis (FW) Locality: Mato Grosso

References: Machado Filho (1959c), Thatcher (1991)

Echinorhynchus salobrensis Machado Filho, 1948 —adult

Host and habitat: Mylossoma duriventre (syn. M. paraguayensis) (FW)

Locality: Salobra, Mato Grosso

References: Machado Filho (1948), Thatcher (1991) Echinorhynchus sp.—adult

Hosts and habitat: Brycon cephalus (FW), Schizodon borellii (FW)

Locality: Amazon River Basin, Upper Parana River/Paraná

References: Machado et al. (1994, 1995, 1996), Andrade et al. (2001), Pavanelli et al. (2004) Echinorhynchidae gen. sp.—adult

Host and habitat: Kyphosus sp. (MAR)

Locality: Off Rio de Janeiro

References: Gomes et al. (1974)