Monacis omacantha Kempf, 1972g: 251, figs. 1-3 (w.) BRAZIL (Amazonas). Neotropic.

Primary type information: Primary type material: holotype worker. Primary type locality: Brazil: Amazonas, Reserva Ducke, nr Manaus, 4.vi.1969, INPA no. 15 (no collector’s name). Primary type depository: MZSP. Primary type specimen: MZSP0082184. Secondary type information: Secondary type material: 17 paratype workers. Secondary type locality: 6 paratype workers with same data as holotype, 4 paratype workers with same data as holotype but INPA no. 21, 6 paratype workers with same data as holotype but 20.v.1971, INPA no. 9, 1 paratype worker with same data as holotype but 28.v.1971, INPA no. 4. Secondary type depository: MZSP. Secondary type specimens: MZSP0082185 to MZSP0082191. Type notes: 1) B. Bolton cites INPA as holotype depository, INPA, MZSP as paratype depositories. 2) Ulysséa et al., 2025: Table S1, cite holotype worker, 17 paratype workers in MZSP.