Full reference: S. H. Scudder. 1877. The First Discovered Traces of Fossil Insects in the American Tertiaries. Bulletin of the United States Geological and Geographical Survey of the Territories 3:741-762
See also Scudder 1877
Type specimen: Its type locality is Chagrin Valley, which is in a Bridgerian lacustrine - large shale in the Green River Formation of Colorado
Distribution: found only at Chagrin Valley
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.