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Byrrhidae; Temporal range: Albian–Recent PreꞒ Ꞓ O S D C P T J K Pg N
	Byrrhus pilula
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Polyphaga
Infraorder:	Elateriformia
Superfamily:	Byrrhoidea
Family:	Byrrhidae; Latreille, 1804
Subfamilies
	Amphicyrtinae; Byrrhinae; Syncalyptinae;

Byrrhidae, the pill beetles, is a family of beetles in the superfamily Byrrhoidea. They are generally found in damp habitats within cooler-high latitude regions of both hemispheres. Most byrrhids feed on moss, lichens and algae, though some species feed on vascular plants.^[1] The oldest undoubted record of the family is Lidryops from the earliest Late Cretaceous Charentese amber of France, with other less certain records going back to the Middle Jurassic, but these possibly belong to Byrrhoidea.^[2] There around 500 extant species in 40 genera.^[1]

Taxonomy

There are about 450 species in this family.^[3]

Genera include:^[4]

References

^ ^a ^b Maier, Crystal A., Lawrence, John F. and Leschen, Richard A. B.. "Byrrhidae Latreille, 1804: Coleoptera, Beetles". Handbook of Zoology Online, edited by Andreas Schmidt-Rhaesa. Berlin, Boston: De Gruyter, 2016.
^ Kirejtshuk, Alexander G.; Nel, André (December 2016). "Lidryopinae, new byrrhid subfamily from the Lower Cretaceous of France (Coleoptera, Byrrhidae)". Cretaceous Research. 67: 140–147. doi:10.1016/j.cretres.2016.07.007.
^ Lawrence, J. F., Slipinski, A., Jaeger, O., & Pütz, A. (2013). The Australian Byrrhinae (Coleoptera: Byrrhidae) with descriptions of new genera and species. Zootaxa 3745(3), 301-29.
^ Byrrhidae. Integrated Taxonomic Information System (ITIS).