File:Trachymyrmex-primavaeus.jpg

Baroni Urbani, C. 1980b. First description of fossil gardening ants. (Amber Collection Stuttgart and Natural History Museum Basel; Hymenoptera: Formicidae. I: Attini). Stuttg. Beitr. Naturkd. Ser. B (Geol. Paläontol.) 54: 1-13