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Cephalomyrmex
| †Cephalomyrmex Temporal range: Late Eocene Florissant, Colorado, United States | |
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| 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)
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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)