Insecta - Odonata - Argiolestidae

Alternative combination: Lithagrion umbratum

Full reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734

Belongs to Melanagrion according to A. Nel and J. C. Paicheler 1994

See also Kirby 1890 and Scudder 1890

Sister taxon: Melanagrion nigerrimum

Type specimen: MCZ 393, a wing. Its type locality is Florissant (MCZ Collection), which is in a Chadronian lacustrine - large shale in the Florissant Formation of Colorado.

Distribution: found only at Florissant (MCZ Collection)

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Specimen images are retrieved through the ePANDDA API.