Where: Colorado (39.5° N, 108.4° W: paleocoordinates 43.3° N, 95.0° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Green River Formation, Bridgerian (50.3 - 46.2 Ma)
Environment/lithology: lacustrine - large; shale
Size classes: macrofossils, mesofossils
Preservation: mold/impression, adpression
Collected by S. Scudder
Primary reference: T. D. A. Cockerell. 1921. Eocene Insects from the Rocky Mountains. Proceedings of the United States National Museum 57:233-260 [C. Labandeira/C. Labandeira/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 114681: authorized by Matthew Clapham, entered by Alex Aguilar on 20.08.2011, edited by Jered Karr and Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
"Eothereva simplex n. sp." = Olbiogaster simplex
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Cylindrotoma veterana n. sp.
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"Gonomyia scudderi n. sp." = Rhabdomastix scudderi
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Limnephilus eocenicus n. sp.
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Harpalus veterum n. sp.
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Anthonomus soporus4, Phyllobius antecessor n. sp.4, Otiorhynchus flaccus n. sp.4, Cossonus rutus n. sp.4, Rhyssomatus tabescens n. sp.4, Calandrites cineratius4, Calandrites defessus4, Syntomostylus rudis4, "Aulobaris circumscripta" = Lithogeraeus circumscripta4, "Aulobaris anicilla n. sp." = Lithogeraeus anicilla4, Steganus barrandei n. gen. n. sp.4, Pachylobius depraedatus n. sp.4, Scythropus somniculosus n. sp.4, Otiorhynchites commutatus n. sp.4, Otiorhynchites tysoni4, Ophryastites dispertitus n. sp.4, Ceutorhynchus degravatus n. sp.4, Polygraphus wortheni n. sp.4, Procas vinculatus4, "Exomias obdurefactus n. sp." = Mitostylus obdurefactus4, "Phyxelis excissus n. sp." = Epicaerus excissus4, Epicaerus effossus4, "Scythropus subterraneus" = Epicaerus subterraneus4, Epicaerus saxatilis4, Epicaerus exanimis4, "Phyxelis evigoratus" = Epicaerus evigoratus4, "Eudiagogus terrosus" = Epicaerus terrosus4, "Phyxelis eradicatus" = Epicaerus eradicatus4, "? Neoptocus sp." = Neoptochus4, Cryptorhynchus durus n. sp.4, Ophryastes petrarum4, Sitona paginarum4, Ophryastes grandis n. sp.4, Otiorhynchus subteractus n. sp.4, Coniatus refractus4, Sciabregma rugosa n. gen. n. sp.4, Pachylobius compressus4, Cryptorhynchus annosus4
Calandrites cineratius4 Scudder 1893 snout beetle USGS 49, 140, 151, 167, 206, 1019(1020), 1041, 1054 (richest beds at summit), 72, 130, 957, 1053 (near the same)
"Aulobaris circumscripta" = Lithogeraeus circumscripta4 Scudder 1893 snout beetle USGS 294, 939(940), 1044, 1058 (riches beds at crest)
"Aulobaris anicilla n. sp." = Lithogeraeus anicilla4 Scudder 1893 snout beetle USGS 935(937), 936(938), 1011(1012), 1062(1063) (richest beds at crest), 317(326) (shales in Indian trail)
Steganus barrandei n. gen. n. sp.4 Scudder 1893 snout beetle USGS 1015(1016) (richest beds top of bluffs)
Pachylobius depraedatus n. sp.4 Scudder 1893 snout beetle USGS 1043 (richest beds at crest), 23, 59, 97 (near same)
"Exomias obdurefactus n. sp." = Mitostylus obdurefactus4 Scudder 1893 snout beetle USGS 309, 1002(3), 1005(6), 1035, 1056 (richest shales at summit); USGS 11 (near the same)
"Phyxelis excissus n. sp." = Epicaerus excissus4 Scudder 1893 snout beetle USGS 1033 (richest shales at summit)
"Scythropus subterraneus" = Epicaerus subterraneus4 Scudder 1893 snout beetle USGS 943(4), 1045, 1051 (richest beds at top), 22 (near the same)
Epicaerus saxatilis4 Scudder 1876 snout beetle USGS 953, 978 (near richest beds overlooking East Salt creek)
Epicaerus exanimis4 Scudder 1876 snout beetle USGS 262, 1004, 1042 (richest beds top of bluffs); 3, 4, 35, 961 (a few feet lower)
"Phyxelis evigoratus" = Epicaerus evigoratus4 Scudder 1893 snout beetle USGS 960 (richest beds at summit)
"Eudiagogus terrosus" = Epicaerus terrosus4 Scudder 1878 snout beetle USGS 1055 (richest shales at summit), 117 (slightly lower)
"Phyxelis eradicatus" = Epicaerus eradicatus4 Scudder 1893 snout beetle USGS 1009(1010), 1060(1) (richest beds at summit)
Otiorhynchus subteractus n. sp.4 Scudder 1893 snout beetle USGS 54(133) (summit of bluffs at East Salt creek)
Pachylobius compressus4 Scudder 1893 snout beetle USGS 138, 166, 197, 268, 280, 948, 1040, 1049, 1052 (richest beds at crest), 63 (near same)
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? Paltorhynchus bisulcatus n. sp.4
? Paltorhynchus bisulcatus n. sp.4 Scudder 1893 weevil USGS 295, 303 (richest beds at top of bluffs)
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"Apion evestigatum n. sp." = Apionion evestigatum4
"Apion evestigatum n. sp." = Apionion evestigatum4 Scudder 1893 weevil USGS 1029(1030) (richest beds at summit)
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"Lema pervetusta n. sp." = Clytus pervetustus
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Detyopsis scudderi n. gen. n. sp., Detyopsis packardi n. gen. n. sp., Lithopsis dubiosa n. sp.2, Lithopsis simillima n. sp.
Detyopsis packardi n. gen. n. sp. Cockerell 1921 planthopper USNM 66558 coll Scudder (also USGS 180 in Cockerell & Sandhouse)
Lithopsis dubiosa n. sp.2 Cockerell and Sandhouse 1921 planthopper USNM 67718 (Scudder USGS 105/106), USGS 123/129
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Thaumastocladius simplex n. gen. n. sp.2
Thaumastocladius simplex n. gen. n. sp.2 Cockerell and Sandhouse 1921 planthopper USNM 67719 (Scudder USGS 774)
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Hammapteryx tripunctata n. sp.2
Hammapteryx tripunctata n. sp.2 Cockerell and Sandhouse 1921 planthopper USNM 67717 (Scudder USGS 217/211)
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Scoparidea nebulosa n. gen. n. sp.
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Cicadella scudderi n. sp., "Erythroneura eocenica n. sp." = Thamnotettix eocenicus
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Stenogomphus carletoni n. gen. n. sp.3
Stenogomphus carletoni n. gen. n. sp.3 Scudder 1892 green-eyed skimmer USGS 1146(1185) found by C.E. Davis (member of Scudder's party) in 1889
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