Ephemeroptera

Etymology
From (referring to the brief lifespan of adults) +.

Hypernyms

 * ; Pterygota - subclass; - infraclass

Hyponyms

 * †Permoplectoptera, †Protephemeroptera
 * †Jarmilidae, †Misthodotidae, †Oborophlebiidae, †Palingeniopsidae, †Protereismatidae
 * †Jarmilidae, †Misthodotidae, †Oborophlebiidae, †Palingeniopsidae, †Protereismatidae