Contracaecum ovale (Linstow, 1907)

Host: Rollandia rolland . SI: stomach. Lo: Mar Chiquita Lagoon (-37.7667, -57.45) and Chascomús Lagoon (-35.6667, -58.00), Buenos Aires Province. Material deposited: MLP–He 6313. Reference: Galeano & Tanzola (2012).