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| Elmidae Temporal range:
| |
|---|---|
| |
| Ancyronyx schillhammeri | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Elateriformia |
| Superfamily: | Byrrhoidea |
| Family: | Elmidae Curtis, 1830 |
| Subfamilies | |
| Diversity | |
| at least 150 genera | |
Elmidae, commonly known as riffle beetles, is a family of beetles in the superfamily Byrrhoidea described by John Curtis in 1830. Both adults and larvae are usually aquatic, living under rocks in fast-flowing shallow areas of streams, such as riffles, feeding on algae and biofilms.[1] There are more than 150 genera and 1,500 described species in Elmidae.[2][3][4][5] The oldest record of the group is Cretohypsilara from the Cenomanian aged Burmese amber.[6]
- ^ White, D.S. (2009), "Coleoptera (Beetles) in Aquatic Ecosystems", Encyclopedia of Inland Waters, Elsevier, pp. 144–156, doi:10.1016/b978-012370626-3.00160-5, ISBN 978-0-12-370626-3, retrieved 2020-09-30
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Bouchard2011was invoked but never defined (see the help page). - ^ Cai, Chenyang; Maier, Crystal A.; Huang, Diying (2018-09-01). "A new riffle beetle in Upper Cretaceous amber from northern Myanmar (Coleoptera: Elmidae)". Cretaceous Research. 89: 154–159. doi:10.1016/j.cretres.2018.03.022. ISSN 0195-6671. S2CID 135138679.
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