An annotated list of the Acanthocephala from Argentina Author Hernández-Orts, Jesús S. Author Kuchta, Roman Author Semenas, Liliana Author Crespo, Enrique A. Author González, Raúl A. Author Aznar, Francisco J. text Zootaxa 2019 2019-08-30 4663 1 1 64 journal article 22537 10.11646/zootaxa.4663.1.1 1becc3ec-db5b-4d33-af06-04224bc70c96 1175-5326 3772372 DE012953-B4AB-4444-95EF-B5BF222CED91 Polymorphus sp. Actinopterygii Cheirodon interruptus (Jenyns) ( Characiformes , Characidae ). SI: unknown. SD: cystacanth. L: Patagonia. R: Rauque et al. (2018) (see note below). Cyprinus carpio Linnaeus ( Cypriniformes , Cyprinidae ). SI: liver, wall of intestine. SD: cystacanth. L: Neuquén Province : Ingeniero Ballester Dam ( 38º43’32’’S , 68º10’22’’W ), Neuquén River. R: Waicheim et al. (2014) , Rauque et al . (2018) . C: voucher (MACN-Pa 563/1) (see note below). Corydoras paleatus (Jenyns) ( Siluriformes , Callichthyidae ). SI: unknown. SD: cystacanth. L: Patagonia. R: Rauque et al. (2018) (see note below). Jenynsia multidentata (Jenyns) ( Cyprinodontiformes , Anablepidae ). SI: unknown. SD: cystacanth. L: Patagonia. R: Rauque et al. (2018) (see note below). Oncorhynchus mykiss (Walbaum) ( Salmoniformes , Salmonidae ). SI: unknown. SD: cystacanth. L: Patagonia. R: Rauque et al. (2018) (see note below). Note. Rauque et al. (2018) referred to cystacanths from Jenynsia multidentata as Polymorphus sp. 1, and cystacanths from Cheirodon interruptus , Cyprinus carpio , Corydoras paleatus and Oncorhynchus mykiss as Polymorphus sp. 2. Malacostraca Hyalella sp. ( Amphipoda , Hyalellidae ). SI: hemocoel. SD: cystacanth. L: Neuquén Province : Tres Lagoon ( 38º58’S , 70º26’W ), Blanca Chica Lagoon ( 38º58’S , 70º24’W ), Jabón Lagoon ( 38º59’S , 70º22’W ), Verde Lagoon ( 39º01’S , 70º24’W ), Molle Lagoon ( 39º01’S , 70º25’W ), Overo Lagoon ( 39º01’S , 70º26’W ), Antiñir Lagoon ( 39º01’S , 70º24’W ), Antonio Lagoon ( 39º01’S , 70º24’W ), Hoyo Lagoon ( 39º01’S , 70º26’W ), Blanca Lagoon ( 39º03’S , 70º22’W ), El Tero Lagoon ( 39º07’S , 70º25’W ); Chubut Province : Senguer River ( 45º36’S , 70º36’W ). R: Rauque (2013).