Where: Teller County, Colorado (38.6° N, 105.2° W: paleocoordinates 40.0° N, 96.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

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

Size class: macrofossils

Preservation: adpression

Collection methods: Repository: Florissant Fossil Beds National Monument (FLFO)

Primary reference: V. N. Makarkin, G. S. Antell, and S. B. Archibald. 2022. A revision of Chrysopidae (Neuroptera) from the late Eocene Florissant Formation, Colorado, with description of new species. Zootaxa 5133:301-345 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 227993: authorized by Karl Volkman, entered by Karl Volkman on 14.11.2022, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)