Ypresiomyrma

†Ypresiomyrma Temporal range: 55–33.9 Ma K Pa Eo Ol Mi Pl earliest Ypresian, Eocene to Priabonian, Late Eocene
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Formicidae
Subfamily:	Myrmeciinae (incertae sedis)
Genus:	†Ypresiomyrma Archibald, Cover & Moreau, 2006
Type species
Ypresiomyrma orbiculata
Diversity
4 fossil species (Species Checklist)

Distribution

This taxon is known from Bolshaya Svetlovodnaya, Sikhote-Alin, Russia (Priabonian, Late Eocene), McAbee, British Columbia, Canada (Ypresian, Early Eocene) and Ølst and Fur Formations, Stolleklint and Manhøj, Isle of Fur, Denmark (earliest Ypresian, Eocene).

Phylogeny

Myrmeciinae	†Archimyrmex  (4 species) Myrmeciini Myrmecia  (93 species, 0 fossil species) Prionomyrmecini †Prionomyrmex  (4 species) †Avitomyrmex  (3 species) †Macabeemyrma  (1 species) Nothomyrmecia  (1 species, 0 fossil species) †Ypresiomyrma  (4 species)

See Phylogeny of Myrmeciinae for details.

Nomenclature

The following information is derived from Barry Bolton's Online Catalogue of the Ants of the World.

• †YPRESIOMYRMA [incertae sedis in Myrmeciinae]
  • †Ypresiomyrma Archibald, Cover & Moreau, 2006: 492. Type-species: †Ypresiomyrma orbiculata, by original designation.

References

• Archibald, S.B., Cover, S.P. & Moreau, C.S. 2006. Bulldog ants of the Eocene Okanagan Highlands and history of the subfamily. Annals of the Entomological Society of America 99: 486-523.
• Barden, P. 2017. Fossil ants (Hymenoptera: Formicidae): ancient diversity and the rise of modern lineages. Myrmecological News 24: 1-30.
• Barden, P., Engel, M.S. 2020. Fossil social insects. Encyclopedia of Social Insects, Springer, Cham (doi:10.1007/978-3-319-90306-4_45-1).
• Radchenko, A.G., Perkovsky, E.E. 2020. New finds of the fossil ant genus Prionomyrmex Mayr (Hymenoptera, Formicidae, Myrmeciinae) in Late Eocene European amber. Paleontological Journal 54, 617–626 (doi:10.1134/s0031030120060088).