Tribe Simplocariini Mulsant and Rey 1869 (pill beetle)
Insecta - Coleoptera - Byrrhidae
Parent taxon: Byrrhinae according to P. Bouchard et al. 2011
Sister taxa: Byrrhini, Morychini, Pedilophorini
Subtaxa: Byrrhites Lioon Simplocaria
Ecology:
Distribution:
• Quaternary of Canada (1: British Columbia collection), Greenland (4), the Russian Federation (6), the United Kingdom (2), United States (6: Colorado, Pennsylvania, Washington, Wisconsin)
• Miocene of the Russian Federation (1), United States (1: Alaska)
• Eocene of the United Kingdom (1)
Total: 22 collections including 28 occurrences