Monomorium stagnum Sparks, 2014: 519, figs. 7j-l, 11f (w.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Type-material: holotype worker. Type-locality: Australia: Western Australia, Kimberley Region, Mitchell Falls, site 1, -14.8167, 125.6833, 18.vii.2007, TERC11 (A.N. Andersen). Type-depository: WAMP. Secondary type information: Paratype-material: 42 paratype workers. Paratype-locality: 20 paratype workers with same data as holotype, 10 paratype workers Mitchell Falls camp, -14.8167, 128.6833, 18.ix.2007, TERC21 (A.N. Andersen), 9 paratype workers Mitchell Falls, -14.2333, 125.6833, 18.vii.2007, TERC20 (A.N. Andersen), 3paratype workers Mitchell Plateau Fire Study, -14.7667, 125.7833, vi.2007, TERC6 (J. Lanoue). Paratype-depositories: NTDA, SAMA, WAMP.