Where: Montana (48.4° N, 113.7° W: paleocoordinates 51.9° N, 100.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Coal Creek Member (Kishenehn Formation), Lutetian (47.8 - 41.3 Ma)
• Middle sequence of the Coal Creek member of the Kishenehn Formation, which has been estimated to be 46.2 +/- 0.4 myo (Lutetian) by 40Ar/39Ar analysis and 43.5 +/- 4.9 myo by fission-track analysis
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine - large; lithified, carbonaceous shale
Size classes: macrofossils, mesofossils
Preservation: adpression
Collected by Dale Greenwalt in 2011; reposited in the USNM
Collection methods: mechanical,
Primary reference: R. E. Harbach and D. Greenwalt. 2012. Two Eocene species of Culiseta (Diptera: Culicidae) from the Kishenehn Formation in Montana. Zootaxa 3530:25-34 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 135664: authorized by Matthew Clapham, entered by Matthew Clapham on 01.11.2012, edited by Jered Karr
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
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Eogyropsylla paveloctogenarius n. sp.2
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Culiseta kishenehn n. sp.
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Eoanomala melas n. gen. n. sp.1
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