Gerontoformica

The taxonomomic placement of this genus is uncertain and it is currently considered incertae sedis in Formicidae.

Nomenclature

 * † GERONTOFORMICA  [Unplaced to subfamily]
 * †Gerontoformica Nel & Perrault, in Nel, Perrault, Perrichot & Néraudeau, 2004: 24. Type-species: †Gerontoformica cretacica, by original designation.
 * †Gerontoformica senior synonym of †Sphecomyrmodes: Barden & Grimaldi, 2016: 518.
 * †SPHECOMYRMODES [junior synonym of †Gerontoformica]
 * †Sphecomyrmodes Engel & Grimaldi, 2005: 5. Type-species: †Sphecomyrmodes orientalis, by original designation.
 * †Sphecomyrmodes junior synonym of †Gerontoformica: Barden & Grimaldi, 2016: 518.