Superfamily EphemerelloideaPhylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Ephemeroptera - Mayflies
Suborder Furcatergalia
Infraorder Pannota
Superfamily Ephemerelloidea
Family Ephemerellidae - Spiny Crawler Mayflies
Family Leptohyphidae - Little Stout Crawler Mayflies
Family Neoephemeridae - Large Squaregill Mayfly
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