Petrified fish cut (Scudder collection) (Eocene of the United States)

Where: Wyoming (41.6° N, 109.6° W: paleocoordinates 45.5° N, 95.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Laney Member (Green River Formation), Bridgerian (50.3 - 46.2 Ma)

Environment/lithology: lacustrine - large; diatomite and shale

Size classes: macrofossils, mesofossils

Preservation: adpression

Collected by Scudder, Bowditch; reposited in the MCZ

• "The insects were obtained in the first instance by Dr. Hayden, who brought home a few specimens only; next, Mr. F.C.A. Richardson placed in my hands a considerable collection;* and last summer my untiring friend Mr. P.C. Bowditch and myself spent several days working the shales." Scudder, 1878, This collection consists only of those collected by Scudder

Primary reference: S. H. Scudder. 1878. The Fossil Insects of the Green River Shales. Bulletin of the United States Geological and Geographical Survey of the Territories 4(4):747-776 [C. Labandeira/C. Labandeira/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121322: authorized by Matthew Clapham, entered by Jered Karr on 02.12.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Arachnida
 Araneae - Araneidae
"Epeira sp." = Araneus2
"Epeira sp." = Araneus2 Clerck 1757 orb-weaving spider
4199(4200)
Insecta
 Odonata - Libellulidae
Libellulidae indet. Rambur 1842 common skimmer
fragments of abdomen 4175(4176)
 Odonata -
Podagrion abortivum n. sp. Scudder 1878 damselfly
MCZ 4169
 Orthoptera -
"Locustariae indet." = Tettigoniidea
"Locustariae indet." = Tettigoniidea grasshopper
femur no 2
 Orthoptera - Gryllidae
"Nemobius tertiarius n. sp." = Pronemobius tertiarius
"Nemobius tertiarius n. sp." = Pronemobius tertiarius Scudder 1878 field cricket
4188
 Coleoptera - Carabidae
Platynus senex n. sp., "Cychrus testeus n. sp." = Neothanes testeus
Platynus senex n. sp. Scudder 1878 ground beetle
3998(3992)
"Cychrus testeus n. sp." = Neothanes testeus Scudder 1878 ground beetle
4059(4100)
 Coleoptera - Hydrophilidae
Berosus sexstriatus n. sp. Scudder 1878 water scavenger beetle
4079
Berosus tenuis n. sp. Scudder 1878 water scavenger beetle
4002
Hydrobius decineratus n. sp. Scudder 1878 water scavenger beetle
4007
Tropisternus saxialis n. sp. Scudder 1878 water scavenger beetle
4023(4027)
Tropisternus sculptilis n. sp. Scudder 1878 water scavenger beetle
3989
Philhydrus sp. Solier 1834 water scavenger beetle
4033, 4042
 Coleoptera - Staphylinidae
Lathrobium abscessum Scudder 1876 rove beetle
Bledius adamus n. sp. Scudder 1878 rove beetle
4081
Homalota recisa2 Scudder 1890 rove beetle
3996
 Coleoptera - Ptinidae
Anobium lignitum n. sp. Scudder 1878 furniture beetle
4082
? Anobium ovale n. sp. Scudder 1878 furniture beetle
4038
? Anobium deceptum n. sp. Scudder 1878 furniture beetle
4086
 Coleoptera - Erotylidae
"Mycotretus binotata n. sp." = Tritoma binotata
"Mycotretus binotata n. sp." = Tritoma binotata Scudder 1878 pleasing fungus beetle
3990(4015)
 Coleoptera - Chrysomelidae
Cryptocephalus vetustus n. sp. Scudder 1878 leaf beetle
4003(4004), 4039(4044)
 Coleoptera - Nemonychidae
Eugnamptus decemsatus n. sp. Scudder 1878 pine flower snout beetle
4046
 Coleoptera - Anthribidae
"? Cratoparis elusus n. sp." = Euparius elusus, "Cratoparis repertus n. sp." = Euparius repertus
"? Cratoparis elusus n. sp." = Euparius elusus Scudder 1878 fungus weevil
4012, 4060
"Cratoparis repertus n. sp." = Euparius repertus Scudder 1878 fungus weevil
4035
 Coleoptera - Curculionidae
"Hylobius provectus" = Archaeoheilus provectus, Gymnetron lecontei n. sp., "Dryocoetes impressus" = Trypodendron impressus, Dryocoetes carbonarius n. sp., Epicaerus saxatilis, Epicaerus effossus, "Eudiagogus terrosus n. sp." = Epicaerus terrosus, Epicaerus exanimis, Ophryastes compactus n. sp., "Otiorhynchus ? perditus" = Pseudophaops perditus
"Hylobius provectus" = Archaeoheilus provectus Scudder 1876 snout beetle
4051
Gymnetron lecontei n. sp. Scudder 1878 snout beetle
4030(4047)
"Dryocoetes impressus" = Trypodendron impressus Scudder 1876 bark beetle
4009, 4048, 4091
Dryocoetes carbonarius n. sp. Scudder 1878 bark beetle
3999
Epicaerus saxatilis Scudder 1876 snout beetle
27 specimens mention in Scudder, 1978; already 4 in Richardson collection
Epicaerus effossus Scudder 1876 snout beetle
Scudder, 1878 mentions nearly 50 specimens of this species;
"Eudiagogus terrosus n. sp." = Epicaerus terrosus Scudder 1878 snout beetle
4024(4078)
Epicaerus exanimis Scudder 1876 snout beetle
31 specimens between the two collections
Ophryastes compactus n. sp. Scudder 1878 snout beetle
4210
"Otiorhynchus ? perditus" = Pseudophaops perditus Scudder 1876 snout beetle
 Coleoptera - Cryptophagidae
Antherophagus priscus Scudder 1876 silken fungus beetle
several specimens
 Hymenoptera - Braconidae
Bracon laminarum n. sp. Scudder 1878 wasp
4196(4197)
 Hymenoptera - Eurytomidae
Decatoma antiqua n. sp. Scudder 1878 chalcid wasp
same stone as 4076
 Hemiptera - Rhopalidae
"? Reduvius guttatus" = Corizus guttatus
"? Reduvius guttatus" = Corizus guttatus Scudder 1878 scentless plant bug
4070
 Hemiptera - Cydnidae
Stenopelta punctulata2 Scudder 1878 burrowing bug
4193
Cyrtomenus concinnus n. sp. Scudder 1878 burrowing bug
4190
 Hemiptera - Lyctocoridae
"? Rhyparochromus terreus n. sp." = Lyctocoris terreus
"? Rhyparochromus terreus n. sp." = Lyctocoris terreus Scudder 1878 true bug
4192
 Hemiptera - Nogodinidae
Lithopsis fimbriata n. gen. n. sp.
Lithopsis fimbriata n. gen. n. sp. Scudder 1878 planthopper
4185(4189)
 Hemiptera - Fulgoridae
"Aphana rotundipennis n. sp." = Aphaena rotundipennis, ? Lystra richardsoni n. sp.
"Aphana rotundipennis n. sp." = Aphaena rotundipennis Scudder 1878 fulgorid planthopper
4187, 175
? Lystra richardsoni n. sp. Scudder 1878 fulgorid planthopper
4076, 4207, 4208, 4212, 4217
 Diptera - Mycetophilidae
Mycetophilidae indet. Newman 1834 fungus gnat
4134, 4114
 Diptera - Dolichopodidae
Dolichopus sp. Latreille 1796 long-legged fly
4124(4148)
 Diptera - Sciomyzidae
? Sciomyza disjecta n. sp. Scudder 1878 marsh fly
12 specimens in total found
? Sciomyza manca n. sp. Scudder 1878 marsh fly
extremely abundant
 Diptera - Syrphidae
Cheilosia scudderi1 Cockerell and Le Veque 1931 hoverfly
4113, 4150
Cheilosia ampla n. sp. Scudder 1878 hoverfly
4112, 4135(4141)
Syrphus sp. Fabricius 1775 hover fly
4110(4132)
 Diptera - Asilidae
Stenocinclis anomala n. gen. n. sp.
Stenocinclis anomala n. gen. n. sp. Scudder 1878 robber fly
4143
 Diptera - Tipulidae
Tipulidae indet. Latreille 1802 crane fly
15 specimens found by Scudder and Richardson