Family Rhadinorhynchidae Travassos, 1923
Gorgorhynchus trachinotus Noronha, Vicente, Pinto & Fábio, 1986 —adult Host and habitat: Trachinotus goodei (MAR)
Locality: Off Rio de Janeiro
Reference: Noronha et al. (1986)
Gorgorhynchus sp.—adult and larva
Hosts and habitat: Dactylopterus volitans (MAR—adult), Dipturus trachyderma (MAR—larva), Pinguipes brasilianus (MAR—adult) new record, Pseudopercis numida (MAR—adult), Sphyrna zygaena (MAR—larva), Squatina sp. (MAR—larva)
Localities: Off Rio de Janeiro, off Rio Grande do Sul, off Paraná, off Santa Catarina References: Knoff et al. (2001), Cordeiro and Luque (2005), Luque et al. (2008)
Rhadinorhynchus plagioscionis Thatcher, 1980 —adult
Host and habitat: Plagioscion squamosissimus (FW)
Locality: Amazon River basin
Reference: Thatcher (1980, 1991)
Rhadinorhynchus pristis (Rudolphi, 1802) —adult
Hosts and habitat: Coryphaena hippurus (MAR), Balistes vetula (MAR), Euthynnus alletteratus (MAR), Katsuwonus pelamis (MAR), Auxis thazard (MAR), Scomber japonicus (MAR) Locality: Off Rio de Janeiro
References: Rudolphi (1819), Abdallah et al. (2002), Mogrovejo and Santos (2002), Alves et al. (2003, 2005), Alves and Luque (2006), Oliva et al. (2008)
Rhadinorhynchus sp.—adult
Hosts and habitat: Dactylopterus volitans (MAR), Merluccius hubbsi (MAR) (new record),
Paralonchurus brasiliensis (MAR)
Locality: Off Rio de Janeiro
References: Ribeiro et al. (2002), Luque et al. (2003), Cordeiro and Luque (2005)
Serrasentis sp.—larva
Hosts and habitat: Balistes capriscus (MAR), Haemulon steindachneri (MAR), Oligoplites palometa (MAR), Orthopristis ruber (MAR), Paralonchurus brasiliensis (MAR), Parona signata (new record) (MAR)
Locality: Off Rio de Janeiro
References: Luque et al. (1995, 1996a, b, 2003), Takemoto et al. (1996), Luque and Poulin (2004), Alves et al. (2005)