Meranoplus spinosus subsp. rugifrons Emery, 1897: 569, pl. 1, figs. 13-15 (w.) NEW GUINEA (Papua New Guinea). Australasia.

Primary type information: Primary type material: syntype workers (number not stated). Primary type localities: Papua New Guinea: Paumomu River, Moroka, and Ighibirei (L. Loria). Primary type depository: MSNG. Type notes: Taylor, 1990d: 36, cites 4 probable worker syntypes in MSNG.