Stegophorus diomedeae (Johnston & Mawson, 1942)
Host: Thalassarche melanophris (cited as Diomedea m.). SI: muscular stomach. Lo: Fracasso Beach (-42.4167, -64.1167) and San José Gulf, Península Valdés, Chubut Province. Material deposited: MLP– He 5095. Reference: Cremonte et al. (2002).