Figure 6. <i>Gerontoformica rugusus</i> (syn <i>Sphecomyrmodes rugusus</i>) holotype JZC Bu1648 photomicrographs. A. Lateral view of specimen, which is largely obscured by air inclusions from any single view. B. Frontal view of head. C. Dorsal view of mesosoma, petiole, and gaster.
Barden &amp; Grimaldi
<cite style="font-style:normal">Barden P. &amp; Grimaldi D.A. (2014). "A Diverse Ant Fauna from the Mid-Cretaceous of Myanmar (Hymenoptera: Formicidae)". <i>PLoS ONE</i> <b>9</b> (4): e93627. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371/journal.pone.0093627">10.1371/journal.pone.0093627</a>.</cite>