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Pastor de Ward, Catalina T. (1998). Free-Living Marine Nematodes from Deseado River Estuary (Ironoidea: Oxystominidae), Santa Cruz, Argentina. XV. "Nematodes Marinos de vida libre (Ironoidea: Oxystominidae) de la Ria Deseado, Santa Cruz, Argentina. XV.". PHYSIS (Buenos Aires), Secc. A, 56(130-131): 1-6.