Pachycondyla gracilicornis

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Pachycondyla gracilicornis
Temporal range: Bartonian, Middle to Late Eocene Baltic amber, Baltic Sea region
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Ponerinae
Tribe: Ponerini
Genus: Pachycondyla
Species: P. gracilicornis
Binomial name
Pachycondyla gracilicornis
(Mayr, 1868)



This taxon was described from Baltic amber (Bartonian, Middle to Late Eocene).



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

  • gracilicornis. †Ponera gracilicornis Mayr, 1868b: 72 (footnote) (w.) BALTIC AMBER (Eocene).
    • Incertae sedis in Ponera: Wheeler, W.M. 1915h: 40;
    • incertae sedis in Ponerinae: Taylor, 1964: 139;
    • combination in Pachycondyla: Bolton, 1995b: 305;
    • incertae sedis in Pachycondyla: Schmidt, C.A. & Shattuck, 2014: 156.
    • Status as species: Scudder, 1891: 726; Dalla Torre, 1893: 39; Handlirsch, 1907: 879; Taylor, 1964: 139; Burnham, 1979: 109; Keilbach, 1982: 273; Bolton, 1995b: 305; Dlussky, 2009: 1054 (redescription); Dlussky & Rasnitsyn, 2009: 1031; Perkovsky, 2016: 115.



  • Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 305, Combination in Pachycondyla)
  • Mayr, G. 1868c. Die Ameisen des baltischen Bernsteins. Beitr. Naturkd. Preuss. 1: 1-102 (page 72, (footnote) worker described)
  • Taylor, R. W. 1964. Taxonomy and parataxonomy of some fossil ants (Hymenoptera-Formicidae). Psyche (Camb.) 71: 134-141 (page 139, Incertae sedis in Ponerinae)
  • Wheeler, W. M. 1915i [1914]. The ants of the Baltic Amber. Schr. Phys.-Ökon. Ges. Königsb. 55: 1-142 (page 40, Incertae sedis in Ponera)