Insecta - Diptera - Syrphidae

Alternative combinations: Asarcina quadrata, Milesia quadrata

Full reference: S. H. Scudder. 1878. The Fossil Insects of the Green River Shales. Bulletin of the United States Geological and Geographical Survey of the Territories 4(4):747-776

Belongs to Asarkina according to N. L. Evenhuis 1994

See also Hull 1945, Scudder 1878 and Scudder 1890

Sister taxa: none

Type specimen: 14691, an exoskeleton (fine state of preservation). Its type locality is Petrified fish cut (Richardson Coll), which is in a Bridgerian lacustrine - large diatomite/shale in the Green River Formation of Wyoming.

Distribution: found only at Petrified fish cut (Richardson Coll)

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Specimen images are retrieved through the ePANDDA API.