File:Proleptothorax primitivus F6-8.jpg

Summary
Figure 6-8. Proleptothorax primitivus holotype male. Line drawings 6. mesosoma, waist, and gaster in lateral view; 7. antenna; 8. hind tibia and tarsus.

Radchenko, A., Dlussky, G.M., Perfilieva, K. 2018. A new extinct ant genus (Hymenoptera: Formicidae: Myrmicinae) from the Late Eocene Rovno amber – a putative ancestor of the Leptothorax genus group. Myrmecological News, 27: 111-117.