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 UCM

• Specimen kept at the University of Colorado Museum Boulder

•"Recently collected" (in 1986)

Primary reference: F. M. Brown. 1986. Lithoserix williamsi (Siricidae: Hymenoptera) a newly recognized fossil horntail from Florissant, Colorado. Insecta Mundi 1(3):119-120 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 144630: authorized by Matthew Clapham, entered by Jered Karr on 14.05.2013

Creative Commons license: CC BY (attribution)