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Ephemera tabifica Scudder 1890 (burrowing mayfly)

Insecta - Ephemeroptera - Ephemeridae

PaleoDB taxon number: 207481

Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Belongs to Ephemera according to S. H. Scudder 1890

Sister taxa: Ephemera exsucca, Ephemera howarthi, Ephemera immobilis, Ephemera interempta, Ephemera macilenta, Ephemera pumicosa

Type specimen: 13238, a nymph. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Ecology:

Average measurements (in mm): foreleg length 4.00, hindleg length 8.00, nymph body 25.0 x 4.5, setae length 7.00, wing pads length 4.50