Gnamptogenys trigona (Emery, 1906) an obsolete combination of Poneracantha trigona (Emery, 1906)
Ectatomma (Gnamptogenys) trigonum Emery, 1906c: 114 (footnote) (q.) BRAZIL (Santa Catarina). Neotropic.
Primary type information: Primary type material: holotype queen. Primary type locality: Brazil: Santa Catarina, Nova Friburgo (no collector’s name, possibly F. Silvestri). Primary type depository: MSNG.
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