Cephalomyrmex

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Cephalomyrmex
Temporal range: Late Eocene
Florissant, Colorado, United States
Cephalomyrmex rotundatus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Formicidae
Subfamily: Myrmicinae
Genus: Cephalomyrmex
Carpenter, 1930
Type species
Cephalomyrmex rotundatus
Diversity
1 fossil species
(Species Checklist)

Holotype queen

There is a single species from the Florissant shale (Oligocene) from Colorado, USA.

Identification

Female. - Robust; head exceedingly large, rounded; thorax short; gaster very small; antennae abbreviated, the funiculus apparently with only five or six segments; petiole pedunculate, postpetiole short but broad. (Venation unknown).

Distribution

This taxon is known from Florissant, Colorado, United States (Late Eocene).

Castes

Queen.

Nomenclature

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

  • CEPHALOMYRMEX [incertae sedis in Myrmicinae]
    • Cephalomyrmex Carpenter, 1930: 37. Type-species: †Cephalomyrmex rotundatus, by original designation.


References

  • Barden, P. 2017. Fossil ants (Hymenoptera: Formicidae): ancient diversity and the rise of modern lineages. Myrmecological News 24: 1-30.
  • Bolton, B. 1994. Identification guide to the ant genera of the world. Cambridge, Mass.: Harvard University Press, 222 pp. (page 106, Cephalomyrmex incertae sedis in Myrmicinae)
  • Bolton, B. 1995b. A new general catalogue of the ants of the world. Cambridge, Mass.: Harvard University Press, 504 pp. (page 140, Cephalomyrmex incertae sedis in Myrmicinae)
  • Bolton, B. 2003. Synopsis and Classification of Formicidae. Mem. Am. Entomol. Inst. 71: 370pp (page 258, Cephalomyrmex incertae sedis in Myrmicinae)
  • Carpenter, F. M. 1930. The fossil ants of North America. Bulletin of the Museum of Comparative Zoology 70: 1-66 [1]
  • Hölldobler, B.; Wilson, E. O. 1990. The ants. Cambridge, Mass.: Harvard University Press, xii + 732 pp. (page 16, Cephalomyrmex incertae sedis in Myrmicinae)