Cyphomyrmex bigibbosus subsp. tumulus Weber, 1938b: 185 (w.q.m.) GUYANA. Neotropic.

Primary type information: Primary type material: syntype workers, syntype queens, syntype males (numbers not stated). Primary type locality: Guyana (“British Guiana”): Mazaruni River, nr Forest Settlement, 25-26.viii.1935 and 2.ix.1935 (N.A. Weber). Primary type depository: MCZC (perhaps also in AMNH). Type notes: Other syntype locality: Guyana: Courantyne basin, Oronoque River, 22.vii.1936 (N.A. Weber).