Dinoponera gigantea has been found on the coast of Guyana, in the Brazilian states of Amazonas, Pará including Marajo Island, Mato Grosso and Maranhão as well as the Loreto Province in Peru.
Dinoponera australis | Scolopendra gigantea | Rosa gigantea | Rhynchostylis gigantea | Myristica gigantea | Megateuthis gigantea | Epipactis gigantea | Edwardsina gigantea | Dinoponera gigantea | ''Dinocrocuta gigantea'' skull cast, University of Copenhagen Zoological Museum | Colocasia gigantea | Aristolochia gigantea | Agrostis gigantea | Agathia gigantea |
Males can be distinguished from other Dinoponera by the following combination of character states: funiculus of antennae with short, thick decumbent setae; pygidial spine shorter than in Dinoponera gigantea and Dinoponera quadriceps but longer and narrower than in Dinoponera australis and Dinoponera snellingi, volsella with broad basal lobe covered in minute teeth.