Where: Montana (48.4° N, 113.7° W: paleocoordinates 51.9° N, 100.4° W)
• coordinate stated in text
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; reposited in the USNM
Collection methods: mechanical,
Primary reference: J. T. Huber and D. Greenwalt. 2011. Compression fossil Mymaridae (Hymenoptera) from Kishenehn oil shales, with description of two new genera and review of Tertiary amber genera. ZooKeys 130:473-494 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 117614: authorized by Matthew Clapham, entered by Matthew Clapham on 25.09.2011, edited by Jered Karr
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
Psectrosciara crassieton n. sp.2
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Lonchoptera eocenica n. sp.4
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Aenigmatias kishenehnensis n. sp.4
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Azana akarenos n. sp.2
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Bibiodes kishenehnensis n. sp.4
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Tipula (Trichotipula) fji n. sp.4
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Ponerites kishenehne n. sp.6, Protazteca eocenica n. sp.6, Ktunaxia jucunda n. gen. n. sp.6, Proiridomyrmex rotundatus n. sp.6, Dolichoderus dlusskyi n. sp.6, Camponotites spp.6, Lasius glom n. sp.6, Formica annosa n. sp.6, Pseudomyrmex saxulum n. sp.6, Solenopsites abdita n. sp.6, "Crematogaster aurora n. sp." = Incertogaster aurora6, Eoformica latimedia n. sp.6, Eoformica pinguis6, Eoformica brevipetiola n. sp.6
Proiridomyrmex rotundatus n. sp.6 LaPolla and Greenwalt 2015 ant USNM 609586, 609587, 609588, 609589
"Crematogaster aurora n. sp." = Incertogaster aurora6 LaPolla and Greenwalt 2015 ant USNM 609595, 609596
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Eoeustochus sp., Eoeustochus kishenehn n. gen. n. sp., Eoeustochus borchersi n. sp., Eoanaphes stethynioides n. gen. n. sp., "Gonatocerus greenwalti n. sp." = Cosmocomoidea greenwalti, "Gonatocerus rasnitsyni n. sp." = Cosmocomoidea rasnitsyni, "Gonatocerus kootenai n. sp." = Cosmocomoidea kootenai
Eoeustochus sp. Huber 2011 fairyfly
Eoeustochus kishenehn n. gen. n. sp. Huber 2011 fairyfly
Eoeustochus borchersi n. sp. Huber 2011 fairyfly
Eoanaphes stethynioides n. gen. n. sp. Huber 2011 fairyfly
"Gonatocerus greenwalti n. sp." = Cosmocomoidea greenwalti Huber 2011 fairyfly
"Gonatocerus rasnitsyni n. sp." = Cosmocomoidea rasnitsyni Huber 2011 fairyfly
"Gonatocerus kootenai n. sp." = Cosmocomoidea kootenai Huber 2011 fairyfly | |
Mordellidae indet.5 Latreille 1802 tumbling flower beetle USNM 595151 (exact collecting site not given)
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Ptenidium kishenehnicum n. sp.7
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