Gerontoformica gracilis

Distribution
This taxon was described from.

Nomenclature

 * †. †Sphecomyrmodes gracilis Barden & Grimaldi, 2014: 4, figs. 2A-C, 10B, 11C, 11D (w.) BURMESE AMBER (Myanmar, Cretaceous).
 * Combination in †Gerontoformica: Barden & Grimaldi, 2016: in supplemental information (not paginated).
 * Status as species: Barden, 2017: 3; Boudinot, Richter, Katzke, et al. 2022: 18, 27 (redescription, in key).