Spring site, Middle Fork Flathead River (Kishenehn) (Eocene of the United States)

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

• Paper/oil 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
 Diptera - Scatopsidae
Psectrosciara crassieton n. sp.2 Amorim and Greenwalt 2022 minute black scavenger fly
USNM 625035
 Diptera - Lonchopteridae
Lonchoptera eocenica n. sp.4 Amorim and Brown 2019 fly
USNM 625379
 Diptera - Phoridae
Aenigmatias kishenehnensis n. sp.4 Brown 2019 scuttle fly
USNM 625132
 Diptera - Mycetophilidae
Azana akarenos n. sp.2 Kerr and Greenwalt 2022 fungus gnat
USNM 625099
 Diptera - Bibionidae
Bibiodes kishenehnensis n. sp.4 Fitzgerald 2019 march fly
USNM 625738
 Diptera - Tipulidae
Tipula (Trichotipula) fji n. sp.4 de Jong 2019 crane fly
USNM 625687
 Hemiptera - Corixidae
Corixidae indet.5 Leach 1815 water boatman
USNM 595154 (exact collecting site not given)
 Hymenoptera - Formicidae
Ponerites kishenehne n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609604
Protazteca eocenica n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609590
Ktunaxia jucunda n. gen. n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609585
Proiridomyrmex rotundatus n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609586, 609587, 609588, 609589
Dolichoderus dlusskyi n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609584
Camponotites spp.6 Steinbach 1967 ant
9.2% of 152 specimens
Lasius glom n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609593, 609594
Formica annosa n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609591, 609592
Pseudomyrmex saxulum n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609605
Solenopsites abdita n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609598, 609599-609603
"Crematogaster aurora n. sp." = Incertogaster aurora6 LaPolla and Greenwalt 2015 ant
USNM 609595, 609596
Eoformica latimedia n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609612, 609613, 609614
Eoformica pinguis6 Scudder 1877 ant
USNM 609606, 609607, 609608, 609609
Eoformica brevipetiola n. sp.6 LaPolla and Greenwalt 2015 ant
USNM 609610, 609611
 Hymenoptera - Ichneumonidae
Ichneumonidae indet.5 Latreille 1802 ichneumon wasp
USNM 595152 (exact collecting site not given)
 Hymenoptera - Mymaridae
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
 Coleoptera - Mordellidae
Mordellidae indet.5 Latreille 1802 tumbling flower beetle
USNM 595151 (exact collecting site not given)
 Coleoptera - Staphylinidae
Tympanophorus greenwalti n. sp.1 Chatzimanolis et al. 2017 rove beetle
USNM 595140
Pinophilini indet.5 Nordmann 1837 rove beetle
USNM 595153 (exact collecting site not given)
 Coleoptera - Ptiliidae
Ptenidium kishenehnicum n. sp.7 Shockley and Greenwalt 2013 feather-winged beetle
USNM 545816
 Odonata - Eolestidae
Eolestes syntheticus3 Cockerell 1940 damselfly
USNM 559049