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Prosphyracephala rubiensis Lewis 1971 (stalk-eyed fly)

Insecta - Diptera - Diopsides

PaleoDB taxon number: 291198

Full reference: S. E. Lewis. 1971. A new species of fossil Diptera (Diopsidae) from the Ruby River Basin (Oligocene) of Montana. Annals of the Entomological Society of America 64:959-960

Belongs to Prosphyracephala according to O. Lonsdale 2020

Sister taxa: Prosphyracephala kerneggeri, Prosphyracephala succini

Type specimen: John Alley collection RR 6-390, an exoskeleton. Its type locality is Ruby River Site 6, which is in a Whitneyan lacustrine - large shale in the Renova Formation of Montana.

Ecology:

Average measurements (in mm): body 4.53 x 1.46