Host: Cephalorhynchus commersonii (Lacépède)
Site in host: intestine, stomach
Developmental stage: L 3
Locality: Tierra del Fuego province; central Patagonia and San Jorge Gulf (45 º– 47 ºS)
References: Berón-Vera et al. (2001)
Host: Delphinus delphis Linnaeus
Site in host: forestomach, pyloric stomach
Developmental stage: L 3, L 4
Locality: Claromecó (38 º 52 'S, 60 º05'W) and Necochea (38 º 27 'S, 58 º 50 'W), Buenos Aires province; northern Patagonia (39 º– 42 ºS, 60 º– 62 ºW)
4. Third-stage larvae (L3) of anisakid nematodes are recently acquired larval forms, which infect marine mammals when they prey on cephalopods and fish (McClelland 2002; Klimpel et al. 2004). In marine mammals, the L3 moult into the fourth-stage larva (L4) and then into adult.
Specimens in collections: BMNH (1993.5201–5205)V; MZU (accession numbers not provided)V; USNPC (99622)V
References: Aznar et al. (2003) and Berón-Vera et al. (2007)
Host: Lagenorhynchus cruciger (Quoy & Gaimard)
Site in host: stomach
Developmental stage: L 3, L 4
Locality: Playa Unión (43 º 20 'S, 65 º00'W), Rawson, and Playa Paraná (42 º 49 'S, 64 º 53 'W), Puerto Madryn, Chubut province
References: Fernández et al. (2003)
Host: Lagenorhynchus obscurus (Gray)
Site in host: forestomach, intestine, main stomach
Developmental stage: L 3, L 4
Locality: Claromecó (38 º 52 'S, 60 º05'W) and Necochea (38 º 27 'S, 58 º 50 'W), Buenos Aires province; Patagonia
Specimens in collections: BMNH (1993.5201–5205)V; MZU (accession numbers not provided)V
References: Dans et al. (1999) and Aznar et al. (2003)
Host: Otaria flavescens (Shaw)
Site in host: intestine
Developmental stage: L 3
Locality: northern Patagonia (40 º 43 '– 43 º 20 'S, 63 º04'– 65 º07'W)
Specimens in collections: BMNH (2012.5.15.23– 24)V; MZU (accession numbers not provided)V
References: Hernández-Orts et al. (2013 b)
Host: Phocoena dioptrica Lahille
Site in host: esophagus, forestomach, main stomach
Developmental stage: L 3, L 4
Locality: Playa Unión and Playa El Doradillo, Chubut province
Specimens in collections: MML (accession numbers not provided)V
References: Berón-Vera et al. (2008)
Host: Phocoena spinipinnis Burmeister
Site in host: duodenal ampulla, forestomach, main stomach, pyloric stomach
Developmental stage: L 3, L 4
Locality: Claromecó (38 º 52 'S, 60 º05'W) and Necochea (38 º 27 'S, 58 º 50 'W), Buenos Aires province; Punta Bengoa, Chubut province
Specimens in collections: BMNH (1993.5201–5205)V; MML (accession numbers not provided)V; MZU (accession numbers not provided)V
References: Aznar et al. (2003) and Berón-Vera et al. (2008)
Host: Pontoporia blainvillei (Gervais & d’Orbigny)
Site in host: duodenal ampulla, main stomach, pyloric stomach
Developmental stage: L 3, L 4
Locality: Claromecó (38 º 52 'S, 60 º05'W) and Necochea (38 º 27 'S, 58 º 50 'W), Buenos Aires province
Specimens in collections: BMNH (1993.520 1–5205)V
References: Aznar et al. (1994; 1995; 2003)
Host: Tursiops truncatus (Montagu)
Site in host: forestomach, main stomach, pyloric stomach
Developmental stage: L 3, L 4
Locality: Playa Unión (43 ° 24 'S, 65 °03'W), Chubut province; northern Patagonia (40 ° 30 '– 43 ° 30 'S, 64 °– 65 °W)
Specimens in collections: MML (accession numbers not provided)V; MZU (accession numbers not provided)V
References: Sánchez et al. (2002) and Romero et al. (2014)