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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ectatomminae
Tribe: Ectatommini
Genus: Poneracantha
Emery, 1897
Type species
Ectatomma (Holcoponera) bispinosum, now Gnamptogenys bispinosa

Gnamptogenys bispinosa P casent0217483.jpg

Gnamptogenys bispinosa D casent0217483.jpg

Specimen Label

This genus is not in use as it is currently considered to be a junior synonym of Gnamptogenys.


The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

  • PONERACANTHA [junior synonym of Gnamptogenys]
    • Poneracantha Emery, 1897d: 547 [as subgenus of Ectatomma]. Type-species: Ectatomma (Holcoponera) bispinosum, by original designation.
    • Poneracantha junior synonym of Gnamptogenys: Brown, 1958g: 211.


  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 174, Poneracantha as junior synonym of Gnamptogenys)
  • Brown, W. L., Jr. 1958g. Contributions toward a reclassification of the Formicidae. II. Tribe Ectatommini (Hymenoptera). Bull. Mus. Comp. Zool. 118: 173-362 (page 211, Poneracantha as junior synonym of Gnamptogenys)
  • Emery, C. 1897d. Viaggio di Lamberto Loria nella Papuasia orientale. XVIII. Formiche raccolte nella Nuova Guinea dal Dott. Lamberto Loria. [part]. Ann. Mus. Civ. Stor. Nat. 38[=(2(18): 546-576 (page 547, Poneracantha as subgenus of Ectatomma)
  • Emery, C. 1911e. Hymenoptera. Fam. Formicidae. Subfam. Ponerinae. Genera Insectorum 118: 1-125 (page 43, Poneracantha as subgenus of Ectatomma)
  • Forel, A. 1917. Cadre synoptique actuel de la faune universelle des fourmis. Bull. Soc. Vaudoise Sci. Nat. 51: 229-253 (page 236, Poneracantha as subgenus of Ectatomma)
  • Wheeler, W. M. 1922i. Ants of the American Museum Congo expedition. A contribution to the myrmecology of Africa. VII. Keys to the genera and subgenera of ants. Bull. Am. Mus. Nat. Hist. 45: 631-710 (page 643, Poneracantha as subgenus of Ectatomma)