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

Collected by Mrs. Cockerell; reposited in the UCM

Primary reference: T. D. A. Cockerell. 1908. Fossil Osmylidae (Neuroptera) in America. The Canadian Entomologist 40(10):341-343 [C. Labandeira/C. Labandeira/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106453: authorized by John Alroy, entered by John Alroy on 17.03.2011

Creative Commons license: CC BY (attribution)