Jurassonurus

Jurassonurus is an extinct insect genus of mayflies (Ephemeroptera). This genus has only one member and that member has been scientifically named Jurassonurus amoenus which lived during the Middle Jurassic period 164.7 million to 155.7 million years ago in the Jiulongshan formation, Daohugou Village, Shantou Township, Ningcheng country, Inner mongolia, China.

Taxomany
The genus parent taxon is Siphlonuridae which itself is in the clade Tridentiseta which is part of the clade Ephemeroptera (Mayflies). Jurassonurus has many sister taxonomic clade which are as listed: Bolbonyx, Albisca, Mogzonurus, Triassonurus, Olgisca, Australurus, Cheirolgisca, Cretoneta, Dulcimanna, and many more.