Corynosoma cetaceum Johnston & Best, 1942
Host: Arctocephalus australis (Zimmermann)
Site in host: intestine, stomach
Locality: Claromecó (38°22'S, 60°16'W) and San Clemente del Tuyú (36°30'S, 56°20'W), Buenos Aires province; northern Patagonia (40º43'– 43º20'S, 63º04'– 65º07'W)
Specimens in collections: BMNH (2012.5.15.123–124)V; HCMLP (No. 5409)V; MZU (accession numbers not provided)V
References: Sardella et al. (2005) and Hernández-Orts et al. (2013b)
Host: Otaria flavescens (Shaw)
Site in host: intestine
Locality: Puerto Quequén (38°37'S, 58°50'W), Buenos Aires province; northern Patagonia (40º43'– 43º20'S, 63º04'– 65º07'W)
Specimens in collections: BMNH (2012. 5.15.21 –22)V; MZU (accession numbers not provided)V
References: Aznar et al. (2012) and Hernández-Orts et al. (2013b)