living organisms
see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
Superkingdom Eukaryotae
see Domain Eukaryota Chatton, 1925
Kingdom Animalia Linnaeus, 1758 - animals
Subkingdom Eumetazoa Butschli, 1910
see [unranked] Eumetazoa Bütschli, 1910
Phylum Arthropoda Siebold, 1848 - arthropods
Subphylum Uniramia Snodgrass, 1935
see Phylum Arthropoda Siebold, 1848
Class Insecta Linnaeus, 1758 - insects
Subclass Pterygota Lang, 1888 - winged insects
see Infraclass Pterygota Lang, 1888
Infraclass Paleoptera - ancient winged insects
see Infraclass Pterygota Lang, 1888
Order Ephemeroptera Hyatt & Arms, 1891 - mayflies
Suborder Pannota McCafferty & Edmunds, 1979
see Infraorder Pannota McCafferty & Edmunds, 1979
Superfamily Ephemerelloidea Klapalek, 1909
Family Ephemerellidae Klapálek, 1909
Subfamily Ephemerellinae Klapálek, 1909
Genus Ephemerella Walsh, 1862
1 Subgenus Eurylophella (Tiensuu, 1935) Edmunds, 1959
see Genus Eurylophella Tiensuu, 1935
2 Subgenus Drunella Needham, 1905
see Subgenus Drunella Needham, 1905