Contracaecum sp.

Host: Arctocephalus australis (Zimmermann) Site in host: intestine

Developmental stage: L3

Locality: northern Patagonia (40º43'– 43º20'S, 63º04'– 65º07'W) Specimens in collections: BMNH (2012.5.15.125–139)V; MZU (accession numbers not provided)V References: Hernández-Orts et al. (2013b)

Host: Hydrurga leptonyx (de Blainville)

Site in host: stomach, upper intestine

Developmental stage: L3, L4

Locality: Bahía San Sebastián (53°17'S, 68°28'W), Tierra del Fuego province References: present study

Notes: Approximately 1,200 larvae of Contracaecum sp. were collected. Host: Mirounga leonina (Linnaeus)

Site in host: scats

Developmental stage: L3

Locality: Elizalde Island (54°41’S, 64°16’W), Staten Island, Tierra del Fuego References: present study

Notes: Twenty-one L3 of Contracaecum sp. were collected in 5 scats. Host: Otaria flavescens (Shaw)

Site in host: intestine

Developmental stage: L3

Locality: northern Patagonia (40º43'– 43º20'S, 63º04'– 65º07'W) Specimens in collections: BMNH (2012.5.15.25–34)V References: Hernández-Orts et al. (2013b)