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Pastor de Ward, C. T. (1980). Aponema papillatum sp.nov., a new species of free-living marine nematodes from the Ria Deseado (Santa Cruz, Argentina). [Aponema papillatum sp. nov., nueva especie de nematode marino de puerto deseado, (Santa Cruz, Argentina)]. Centro de Investigacion de Biologia Marina Contribucion Cientifica. 160: 1-11.