Archiponera

There is only a single species in this genus found in Florissant shale (Oligocene) from Colorado, USA.

Identification
Worker. - Head large, with convex sides and broadly rounded posterior angles; mandibles small, linear; clypeus large, anterior margin with a median incision, posterior margin with a large median lobe; eyes small, situated very high up on the sides of the head, a little posterior of the middle line of the head; ocelli absent; antennae long and slender, 12-segmented; petiole short but high, cuneiform; gaster small, globular, the first two segments of moderate size, the others short and compressed.

Male. - Slender; petiole long, with a low scale; forewing with two cubital cells, the first intercubitus joining the cubitus at a point much above the junction of the latter with the recurrent vein; second intercubitus far apical of the termination of the first intercubitus.

Castes
Worker, male.

Additional References

 * Carpenter, F. M. 1930. The fossil ants of North America. Bull. Mus. Comp. Zool. 70: 1-66