File:Baroni Urbani 1980e-4 Gnamptogenys-pristina.jpg

Baroni Urbani, C. 1980e. The ant genus Gnamptogenys in Dominican Amber. (Amber Collection Stuttgart: Hymenoptera, Formicidae. IV: Ectatommini). Stuttg. Beitr. Naturkd. Ser. B (Geol. Paläontol.) 67: 1-10