Contracaecum ogmorhini Johnston & Mawson, 1941 sensu stricto (s.s.)
Host: Arctocephalus australis (Zimmermann)
Site in host: intestine, stomach
Locality: Claromecó (38 ° 22 'S, 60 ° 16 'W) and Mar del Plata (38 °08'S, 57 ° 32 'W), Buenos Aires province; northern Patagonia (40 º 43 '– 43 º 20 'S, 63 º04'– 65 º07'W)
Specimens in collections: BMNH (2012.5.15.173)V; HCMLP (No. 5096 /1, 5096/ 2)V; MZU (accession numbers not provided)V
References: Mattiucci et al. (2003; 2008), Timi et al. (2003) and Hernández-Orts et al. (2013 b)
Host: Mirounga leonina (Linnaeus)
Site in host: stomach
Locality: Península Valdés, Chubut province
References: Mattiucci et al. (2003)
Host: Otaria flavescens (Shaw)
Site in host: intestine
Locality: northern Patagonia (40 º 43 '– 43 º 20 'S, 63 º04'– 65 º07'W)
Specimens in collections: BMNH (2012.5.15.77– 92)V
References: Hernández-Orts et al. (2013 b)