Contracaecum sp.

Host: Hydrurga leptonyx (de Blainville)

Site in host: stomach, upper intestine

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

References: present study

Notes: About 800 adult specimens of Contracaecum sp. were collected.

Host: Mirounga leonina (Linnaeus) .

Site in host: not known, worms found in scats

Locality: Elizalde Island (54°41'S, 64°16'W), Staten Island, Tierra del Fuego

References: present study

Notes: Thirteen adult specimens of Contracaecum sp. were collected in 5 fresh scats from southern elephant seals collected in Elizalde Island (Fig. 1) in August 2013 by one co-author (M.N.P.V.).