Subfamily Psepheninae Lacordaire 1854 (water penny beetle)

Insecta - Coleoptera - Psephenidae

Parent taxon: Psephenidae according to C. Y. Cai et al. 2022

See also Bouchard et al. 2011, Hayashi et al. 2020 and Lawrence and Newton 1995

Sister taxa: Eubrianacinae, Eubriinae, Protacnaeus, Psephenella, Psephenoidinae, Pseudomataeopsephus

Subtaxa: Psephenus

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Ecology:

Distribution:

• Quaternary of Japan (1 collection)

• Eocene of United States (1: Colorado)

Total: 2 collections each including a single occurrence

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