Probolomyrmex simplex Shattuck et al., 2012: 47, fig. 6 (w.) NEW GUINEA (Papua New Guinea). Australasia.

Primary type information: Type-material: holotype worker. Type-locality: Papua New Guinea: Northern Dist., Popondetta, 15.ii.1972 (P.M. Room). Type-depository: ANIC. Secondary type information: Paratype-material: 4 paratype workers. Paratype-locality: same as for holotype.