Insecta - Hymenoptera - Braconidae

Alternative combination: Ichneumon petrinus

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

Belongs to Hormiopterus according to C. T. Brues 1910

See also Scudder 1877 and Scudder 1890

Sister taxa: none

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

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Specimen images are retrieved through the ePANDDA API.