Anvil Points, Kohls locality 40193: Bridgerian, Colorado
collected by D. Kohls 1991-1993

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Blattodea - Pseudophyllodromiidae
Cariblattoides labandeirai Vršanský et al. 2012
Vršanský et al. 2012 4 specimens
USNM 542286-542289
Insecta - Orthoptera - Tetrigidae
Eotetrix unicornis Gorochov 2012
Gorochov and Labandeira 2012 3 specimens
USNM Kohls 75301, 75324/5, 75302
Insecta - Orthoptera - Eumastacidae
Eoerianthus eocaenicus Gorochov 2012
Gorochov and Labandeira 2012 7 specimens
USNM Kohls 77131, 75277/8, 75264, 77143, 75304/5, 75323, 75283
Insecta - Orthoptera - Phalangopsidae
Eozacla sp. Gorochov 2012
Gorochov and Labandeira 2012 1 specimen
USNM Kohls 75785
Eozacla problematica n. sp. Gorochov 2012
Gorochov and Labandeira 2012 1 specimen
USNM Kohls 75765
Insecta - Orthoptera - Mogoplistidae
Pteromogoplistes grandis Gorochov 2012
Gorochov and Labandeira 2012 1 specimen
USNM Kohls 87113
Pteromogoplistes ? smithii (Scudder 1890)
Gorochov and Labandeira 2012 3 specimens
USNM Kohls 77958, 75784, 6
Eomogoplistes longipennis n. gen., n. sp. Gorochov 2012
Gorochov and Labandeira 2012 1 specimen
USNM Kohls 75704 (IKAO 127)
Insecta - Orthoptera - Gryllidae
? Eneopterinae indet. Saussure 1874
Gorochov and Labandeira 2012 4 specimens
USNM Kohls IKAO745/447, IKAO743/77906, 75763, unnumbered
Gryllinae indet. Laicharting 1781
Gorochov and Labandeira 2012 2 specimens
USNM Kohls 77918, 466
Pronemobius sp. Scudder 1890
Gorochov and Labandeira 2012 5 specimens
USNM Kohls 75727/75744, 75125, 77911, 77912, 75786
Pronemobius ? tertiarius (Scudder 1878)
Gorochov and Labandeira 2012 3 specimens
USNM Kohls 77193/IKAO744, IKAO739-499, IKAO750-525
Eogryllus unicolor n. sp. Gorochov 2012
Gorochov and Labandeira 2012 3 specimens
USNM Kohls 77904, 75851/75852, IKAO751-429
? Eogryllus elongatus n. sp. Gorochov 2012
Gorochov and Labandeira 2012 2 specimens
USNM Kohls 78333, 77942/IKAO753-421
Insecta - Orthoptera
Tettoraptor maculatus Gorochov 2012
Gorochov and Labandeira 2012 1 specimen
USNM Kohls 75270
Insecta - Hymenoptera - Ichneumonidae
Carinibus molestus n. gen., n. sp. Spasojevic et al. 2018
Spasojevic et al. 2018 1 specimen
USNM 580881
Insecta - Hymenoptera - Formicidae
Formicidae informal indet. C
1 specimen
USNM 495923
Ponerites eocenicus n. gen., n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495919 (1 measurement)
Proiridomyrmex vetulus n. gen., n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495907 (1 measurement)
Dolichoderus kohlsi n. sp. Dlussky and Rasnitsyn 2002
18 specimens
USNM 495905, 901, 898, 904, 908, 921, 922, 925, 927, 930, 932, 935, 936, 941, 942, 944, 912, 928 (1 measurement)
Eoformica globularis n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495940 (1 measurement)
Eoformica magna n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495917 (1 measurement)
Eoformica pinguis (Scudder 1877)
19 specimens
USNM 495897, 899, 900, 903, 910, 913, 915, 918, 920, 924, 929, 931, 934, 938, 960
Mianeuretus sp. Carpenter 1930
1 specimen
USNM 495914
Mianeuretus eocenicus n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495959 (1 measurement)
Kohlsimyrma gracilis n. sp. Dlussky and Rasnitsyn 2002
2 specimens
USNM 495906, 911 (1 measurement)
Myrmecites rotundiceps n. gen., n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495916 (1 measurement)
Solenopsites minutus n. gen., n. sp. Dlussky and Rasnitsyn 2002
1 specimen
USNM 495933 (1 measurement)
Archimyrmex rostratus Cockerell 1923
10 specimens
USNM 495902; 495894, 985, 986, 909, 496001-005 in Dlussky & Pervilieva, 2003 (2 measurements)
see common names

Geography
Country:United States State/province:Colorado
Coordinates: 39.5° North, 108.0° West (view map)
Paleocoordinates:46.8° North, 85.1° West (Wright 2013)
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
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lithified lime mudstone
Environment:lacustrine - large Tectonic setting:intermontane basin
Geology comments: Laramide-style block faulting
Taphonomy
Modes of preservation:adpression
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:D. Kohls Collection dates:1991-1993
Metadata
Database number:138664
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:paleoentomology
Created:2013-01-24 17:49:12 Last modified:2025-02-22 15:12:02
Access level:the public Released:2013-01-24 17:49:12
Creative Commons license:CC0
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]
52087 A. V. Gorochov and C. C. Labandeira. 2012. Eocene Orthoptera from Green River Formation of Wyoming (USA). Russian Entomological Journal 21:357-370 [M. Clapham/M. Clapham/M. Clapham]
64943 T. Spasojevic, G. R. Broad, A. M. R. Bennett and S. Klopfstein. 2018. Ichneumonid parasitoid wasps from the Early Eocene Green River Formation: five new species and a revision of the known fauna (Hymenoptera, Ichneumonidae). PalZ 92:35-63 [M. Clapham/M. Clapham]
44499 P. Vršanský, L. Vidlička, F. and F. Marsh. 2012. Derived, still living cockroach genus Cariblattoides (Blattida: Blattellidae) from the Eocene sediments of Green River in Colorado, USA. Insect Science 19:143-152 [M. Clapham/M. Clapham/M. Clapham]