Family Psephenidae Lacordaire 1854 (water penny beetle)
Insecta - Coleoptera - Psephenidae
Parent taxon: Dryopoidea according to C. Y. Cai et al. 2022
See also Bouchard et al. 2011, Crowson 1981, Lawrence and Newton 1995 and Webster 2016
Sister taxa: Actinocerites, Brachypodites, Callirhipidae, Chelonariidae, Cneoglossidae, Dryopidae, Elmidae, Eulichadidae, Expansifemoria, Heteroceridae, Jiuquanocoleus, Limnichidae, Lutrochidae, Mastigocoleidae, Ptilodactylidae
Subtaxa: Eubrianacinae Eubriinae Protacnaeus Psephenella Psepheninae Psephenoidinae Pseudomataeopsephus
Ecology:
Distribution: