Anvil Points (PIN collection 4621): Bridgerian, Colorado
collected by A. Rasnitsyn 1997

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Hemiptera
Emiliana alexandri n. gen., n. sp. Shcherbakov 2006
Shcherbakov 2006 1 specimen
PIN 4621/546 (1 measurement)
Insecta - Hemiptera - Nogodinidae
Lithopsis cf. fimbriata Scudder 1878
Shcherbakov 2006 1 specimen
PIN 4621/64
Insecta - Coleoptera - Mordellidae
Isotrilophus rasnitsyni n. sp. Odnosum and Perkovsky 2016
Odnosum and Perkovsky 2016 1 specimen
PIN 4621/414 (1 measurement)
Insecta - Coleoptera - Brentidae
Palaeonanophyes zherikhini n. gen., n. sp. Legalov 2015
Legalov 2015 1 specimen
PIN 4621/196 (2 measurements)
Perapion rasnitsyni n. sp. Legalov 2018
Legalov 2018 1 specimen
PIN 4621/41(207)
Insecta - Coleoptera - Curculionidae
Geraeus fossilis n. sp. Legalov 2018
Legalov 2018 1 specimen
PIN 4621/42
Geraeus anvilis n. sp. Legalov 2018
Legalov 2018 1 specimen
PIN 4621/45
Lithogeraeus greenriverensis n. gen., n. sp. Legalov 2018
Legalov 2018 1 specimen
PIN 4621/214
Archaeoheilus ovalis n. sp. Legalov 2018
Legalov 2018 1 specimen
PIN 4621/27
Insecta - Hymenoptera - Formicidae
Formicidae informal indet. A
1 specimen
PIN 4621/637
Formicidae informal indet. B
1 specimen
PIN 4621/638
Dolichoderinae indet. Forel 1878
1 specimen
PIN 4621/639b
Dolichoderus kohlsi Dlussky and Rasnitsyn 2002
1 specimen
PIN 4621/659
Eoformica pinguis (Scudder 1877)
3 specimens
PIN 4621/639, 674, 833
Archimyrmex rostratus Cockerell 1923
1 specimen
PIN 4621/634
see common names

Geography
Country:United States State/province:Colorado
Coordinates: 39.5° North, 108.0° West (view map)
Paleocoordinates:43.3° North, 94.5° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Paleogene Epoch: Eocene
10 m.y. bin: Cenozoic 2
Key time interval: Bridgerian
Age range of interval: 50.5 - 46.2 m.y. ago
Stratigraphy
Formation:Green River Member:Parachute Creek
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified mudstone
Environment:lacustrine - large Tectonic setting:intermontane basin
Taphonomy
Modes of preservation:adpression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:PIN
Collectors:A. Rasnitsyn Collection dates:1997
Metadata
Database number:138675
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:paleoentomology
Created:2013-01-25 08:50:10 Last modified:2020-10-31 21:09:58
Access level:the public Released:2013-01-25 08:50:10
Creative Commons license:CC BY
Reference information

Primary reference:
44418. G. M. Dlussky and A. P. Rasnitsyn. 2002. Ants (Hymenoptera: Formicidae) of Formation Green River and some other middle Eocene deposits of North America. Russian Entomological Journal 11:411-436 [M. Clapham/M. Clapham]

Secondary references:

48575 G. M. Dlussky and K. S. Perfilieva. 2003. Paleogene ants of the genus Archimyrmex Cockerell, 1923 (Hymenoptera, Formicidae, Myrmeciinae). Paleontological Journal 37:39-47 [M. Clapham/M. Clapham]
56032 A. A. Legalov. 2015. First record of the weevil subfamily Nanophyinae (Coleoptera, Brentidae) from the Eocene of the Green River, United States. Paleontological Journal 49:399-401 [M. Clapham/M. Clapham]
65976 A. A. Legalov. 2018. New weevils (Coleoptera, Curculionoidea) from the Eocene of the Green River, United States: part 1. Paleontological Journal 52:294-302 [M. Clapham/M. Clapham]
66722 A. A. Legalov. 2018. New weevils (Coleoptera, Curculionoidea) from the Eocene of the Green River, United States: part 2. Paleontological Journal 52:421-428 [M. Clapham/M. Clapham]
61099 V. K. Odnosum and E. E. Perkovsky. 2016. The first Eocene tumbling beetle of the genus Isotrilophus (Insecta: Coleoptera: Mordellidae) from the Green River Formation (Colorado, United States). Paleontological Journal 50:609-611 [M. Clapham/M. Clapham]
45706 D. E. Shcherbakov. 2006. The earliest find of Tropiduchidae (Homoptera: Auchenorrhyncha), representing a new tribe, from the Eocene of Green River, USA, with notes on the fossil record of higher Fulgoroidea. Russian Entomological Journal 15:315-322 [M. Clapham/M. Clapham]