• †Propalosoma in family Rhopalosomatidae: Dlussky & Rasnitsyn, 1999a: 72.
• †Propalosoma in Formicidae, Myrmeciinae: Archibald et al., 2018: 226.

Citations

• Archibald, S. B.; Rasnitsyn, A. P.; Brothers, D. J.; Mathewes, R. W. 2018. Modernisation of the Hymenoptera: ants, bees, wasps, and sawflies of the early Eocene Okanagan Highlands of western North America. Canadian Entomologist 150:205-257. 10.4039/tce.2017.59 PDF
• Dlussky, G. M.; Rasnitsyn, A. P. 1999a. Two new species of aculeate Hymenoptera (Vespida = Hymenoptera) from the Middle Eocene of the United States. [In Russian.]. Paleontologicheskii Zhurnal 1999(5):72-75. PDF