Riolus Mulsant and Rey 1872 (riffle beetle)
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Insecta - Coleoptera - Elmidae
Synonym: Normandia Pic 1900
Parent taxon: Elmina according to T. Kobayashi et al. 2021
See also Aalto et al. 1984 and Jäch et al. 2016
Sister taxa: Elmis, Esolus, Limnius
Subtaxa: Riolus cupreus Riolus nitens
Type: Limnius cupreus
Ecology:
Distribution:
• Quaternary of the United Kingdom (11 collections)
Total: 11 collections including 14 occurrences
Specimen images are retrieved through the ePANDDA API.
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