Aenictus pfeifferi Zettel & Sorger, 2010b: 116, figs. 1-4, 13 (w.) BORNEO (East Malaysia: Sarawak). Indomalaya.

Primary type information: Primary type material: holotype worker. Primary type locality: Malaysia: Borneo, Sarawak, Gunung Mulu Nat. Park, Moonmilk Trail, 4°2’30’’N, 114°48’46’’E, 13.xi.2009, no. 81 (D.M. Sorger). Primary type depository: NHMW. Secondary type information: Secondary type material: 74 paratype workers. Secondary type locality: same as for holotype. Secondary type depositories: ABNC, DMSC, FRCK, HSZC, NHMW, SKYC, TNHM.