Where: Teller County, Colorado (38.9° N, 105.3° W: paleocoordinates 40.4° N, 97.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Florissant Formation, Chadronian (37.2 - 33.9 Ma)

Environment/lithology: lacustrine - large; lithified, diatomaceous, tuffaceous shale

Size class: mesofossils

Preservation: adpression

Reposited in the MCZ

Primary reference: S. H. Scudder. 1890. The Tertiary Insects of North America. Report of the United States Geological Survey of the Territories XIII:1-734 [C. Labandeira/C. Labandeira/L. Edwards] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106384: authorized by John Alroy, entered by John Alroy on 13.03.2011, edited by Matthew Clapham, Jered Karr and Amy Delelli

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)