Thometrema overstreeti ( Brooks, Mayes & Thorson, 1979)

Margarita Ostrowski de Núñez, Nathalia J. Arredondo & Alicia A. Gil de Pertierra, 2017, Adult Trematodes (Platyhelminthes) of freshwater fishes from Argentina: a checklist, Revue suisse de Zoologie 124 (1), pp. 91-113 : 100-101

Thometrema overstreeti ( Brooks, Mayes & Thorson, 1979)

Paravitellotrema overstreeti Brooks, Mayes & Thorson, 1979

Thometrema rioplatense Lunaschi, 1988

For more synonyms see Kohn et al. (2007)

Material deposited: MACN-Pa 607, 608 (new voucher material), MLP, USNM (type material).

Host: Potamotrygon magdalenae (Dumeril) ( Myliobatiformes : Potamotrygonidae ) (type host); Astyanax fasciatus , A. paraguayensis (Fowler) , Leporinus obsutidens , Oligosarcus jenynsii , Salminus brasiliensis , Ageneiosus inermis , Auchenipterus nigripinnis , Luciopimelodus pati , Pimelodus albicans , P. maculatus , Pseudoplatystoma corruscans , P. reticulatum Eigenmann & Eigenmann , Sorubim lima Bloch & Schneider , Rhamdia quelen , Zungaro jahu (Ihering) [= Paulicea luetkeni (Steindachner) ].

Localities: Magdalena River in northern Colombia (type locality); Middle Paraná River, Puerto Italia, Corrientes Province; Colastiné River** (tributary of Paraná River), Santa Fe Province; Paraná-Guazú River**, Entre Ríos Province; Chis-Chis Lagoon (Chascomús), Doña Flora Stream (Ensenada), Miguelin Stream (Ensenada) and La Plata River, Buenos Aires Province.

Site of infection: Stomach.

References: Brooks et al. (1979), Hamann (1986, 1989), Lunaschi (1988a), Gil de Pertierra & Ostrowski de Núñez (1995), Arredondo (2013).

Remarks: New localities records. Referred to as Genarchella genarchella by Hamann (1986, 1989).