Insecta - Diptera - Mycetophilidae

Alternative combination: Diomonus palaeospilus

Full reference: T. D. A. Cockerell. 1921. Eocene Insects from the Rocky Mountains. Proceedings of the United States National Museum 57:233-260

Belongs to Leptomorphus according to S. S. Oliveira and D. D. S. Amorim 2021

See also Cockerell 1921 and Evenhuis 1994

Sister taxa: Leptomorphus africanus, Leptomorphus sepultus

Type specimen: USNM 66570, an exoskeleton. Its type locality is USGS 17-6, which is in a Bridgerian lacustrine - large shale in the Green River Formation of Colorado.

Distribution: found only at USGS 17-6

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Specimen images are retrieved through the ePANDDA API.