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Ephemeroptera (Mayflies) is an order of insects. There are 3341 species of mayflies, in 442 genera and 42 families. This order has been around since the artinskian age. They includes groups like Ameletopsidae, Cleftfooted Minnow Mayflies, and Teloganodidae.

EOL has data for 11 attributes, including:

Known occurrences, collected specimens and observations of mayflies. View this species on GBIF
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Mayfly Habitats

The environments in which many mayflies species are known to live. Select an environment to see its mayflies species checklist.