File:HGHA Procer 2.jpg

Figure 2. Anterior part of cephalic dorsum in full-face view showing frontal carinae (within white ellipse). A P. terroni (CASENT0914223) (Michele Esposito 2014) B P. burundense (CASENT0902427) (Will Ericson 2013).

[[Media:Proceratium carri Zookeys paper.pdf|Hita Garcia, F.; Hawkes, P. G.; Alpert, G. D. 2014. Taxonomy of the ant genus Proceratium Roger (Hymenoptera, Formicidae) in the Afrotropical region with a revision of the P. arnoldi clade and description of four new species. ZooKeys 447:47–86. PDF]]