Monomorium atomum Forel, 1902 valid
Monomorium atomus Forel, 1902c: 210 (w.) INDIA (Odisha, Assam, Maharashtra, West Bengal). Indomalaya.
Primary type information: Type-material: syntype workers (number not stated). Type-localities: India: Orissa (Taylor), Assam (Smythies), Poona (Wroughton), Calcutta (Rothney). Type-depository: MHNG.
Current subspecies (nominal plus)
Citations

Extant: 4 valid subspecies (1 obsolete combination)