Ectatomma (Gnamptogenys) mordax var. purensis Forel, 1912d: 33 (w.) BRAZIL (Rio Grande do Sul). Neotropic.

Primary type information: Primary type material: syntype workers (number not stated). Primary type locality: Brazil: Rio Grande do Sul, Porto Alegre, upper Purus river (Huber). Primary type depositories: MHNG, NHMB. Primary type specimen: CASENT0907188. Type notes: Baroni Urbani, 1973b: 131, cites 1 worker syntype in NHMB.