Petropone petiolata

The taxonomomic placement of this species is uncertain and it is currently considered incertae sedis in Hymenoptera, Aculeata.

Distribution
This taxon was described from Russia (Cretaceous).

Nomenclature

 * † petiolata. †Petropone petiolata Dlussky, 1975: 119, fig. 131 (w.) RUSSIA (Cretaceous).
 * Status as species: Bolton, 1995b: 316; Grimaldi, Agosti & Carpenter, 1997: 5.
 * Excluded from Formicidae, incertae sedis in ACULEATA: Grimaldi, et al. 1997: 7; Borysenko, 2017: 20 (by implication as genus excluded).