Monomorium (Notomyrmex) longiceps Wheeler, 1934d: 146 (w.) AUSTRALIA (Western Australia). Australasia.

Primary type information: Primary type material: lectotype worker (by designation of Heterick, 2001: 431). Primary type locality: lectotype Australia: Western Australia, Ludlow (J. Clark). Primary type depository: MCZC. Secondary type information: Secondary type material: 1 paralectotype worker. Secondary type locality: same as for lectotype. Secondary type depository: MCZC. Type notes: Other original syntype locality: 1 worker Australia: Western Australia, Rottnest I., nr Lady Edeline Beach, 23.x.1931, (Harvard Expd.) (W.M. Wheeler).