Kishenehn (Constenius collection) (Eocene of the United States)

Where: Montana (48.4° N, 113.7° W: paleocoordinates 51.9° N, 100.4° W)

• coordinate based on nearby landmark

• 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

• Paper/oil shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by N. Constenius, L. Constenius; reposited in the CM, USNM

Primary reference: W. Krzemiński. 1991. A first fossil Helius (Diptera, Limoniidae) from North America. Acta Zoologica Cracoviensia 34:311-313 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 151911: authorized by Matthew Clapham, entered by Matthew Clapham on 16.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Diptera - Culicidae
Culiseta sp.1
Culiseta sp.1 Felt 1904 mosquito
USNM 559060, 559051
 Diptera - Limoniidae
Helius constenius n. sp.
Helius constenius n. sp. Krzemiński 1991 crane fly
CM 34935
 Hymenoptera - Platygastridae
Fidiobia sp.2
Fidiobia sp.2 Ashmead 1894 wasp
USNM 595143
 Hymenoptera -
Scelioninae indet.2, Telenominae indet.2
Scelioninae indet.2 Thomson 1858 wasp
USNM 595145
Telenominae indet.2 Thomson 1860 wasp
USNM 595144
1Greenwalt et al. 2013; 2Talamas and Buffington 2015