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

Insecta
 Hemiptera - Fulgoridae
? Lystra richardsoni n. sp., "Aphana rotundipennis n. sp." = Aphaena rotundipennis
? Lystra richardsoni n. sp. Scudder 1878 fulgorid planthopper
4076, 4207, 4208, 4212, 4217
"Aphana rotundipennis n. sp." = Aphaena rotundipennis Scudder 1878 fulgorid planthopper
4187, 175
 Hemiptera - Nogodinidae
Lithopsis fimbriata n. gen. n. sp.
Lithopsis fimbriata n. gen. n. sp. Scudder 1878 planthopper
4185(4189)
 Hemiptera - Coreidae
"? Reduvius guttatus" = Corizus guttatus
"? Reduvius guttatus" = Corizus guttatus Scudder 1878 leaf-footed bug
4070
 Hemiptera - Cydnidae
Cyrtomenus concinnus n. sp. Scudder 1878 burrowing bug
4190
Stenopelta punctulata2 Scudder 1878 burrowing bug
4193
 Hemiptera - Acanthiidae
"? Rhyparochromus terreus n. sp." = Lyctocoris terreus
"? Rhyparochromus terreus n. sp." = Lyctocoris terreus Scudder 1878 true bug
4192
 Orthoptera - Gryllidae
"Nemobius tertiarius n. sp." = Pronemobius tertiarius
"Nemobius tertiarius n. sp." = Pronemobius tertiarius Scudder 1878 field cricket
4188
 Orthoptera -
"Locustariae indet." = Tettigoniidea
"Locustariae indet." = Tettigoniidea grasshopper
femur no 2
 Hymenoptera - Braconidae
Bracon laminarum n. sp. Scudder 1878 wasp
4196(4197)
 Hymenoptera - Chalcididae
Decatoma antiqua n. sp. Scudder 1878 chalcid wasp
same stone as 4076
 Coleoptera - Ptinidae
Anobium lignitum n. sp. Scudder 1878 furniture beetle
4082
? Anobium deceptum n. sp. Scudder 1878 furniture beetle
4086
? Anobium ovale n. sp. Scudder 1878 furniture beetle
4038
 Coleoptera - Hydrophilidae
Philhydrus sp. Solier 1834 water scavenger beetle
4033, 4042
Berosus tenuis n. sp. Scudder 1878 water scavenger beetle
4002
Berosus sexstriatus n. sp. Scudder 1878 water scavenger beetle
4079
Tropisternus sculptilis n. sp. Scudder 1878 water scavenger beetle
3989
Tropisternus saxialis n. sp. Scudder 1878 water scavenger beetle
4023(4027)
Hydrobius decineratus n. sp. Scudder 1878 water scavenger beetle
4007
 Coleoptera - Staphylinidae
Lathrobium abscessum Scudder 1876 rove beetle
Homalota recisa2 Scudder 1890 rove beetle
3996
Bledius adamus n. sp. Scudder 1878 rove beetle
4081
 Coleoptera - Cryptophagidae
Antherophagus priscus Scudder 1876 silken fungus beetle
several specimens
 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 - Curculionidae
Gymnetron lecontei n. sp., "Hylobius provectus" = Archaeoheilus provectus, Epicaerus effossus, Epicaerus exanimis, "Eudiagogus terrosus n. sp." = Epicaerus terrosus, Epicaerus saxatilis, "Otiorhynchus ? perditus" = Pseudophaops perditus, Ophryastes compactus n. sp., Dryocoetes carbonarius n. sp., "Dryocoetes impressus" = Trypodendron impressus
Gymnetron lecontei n. sp. Scudder 1878 snout beetle
4030(4047)
"Hylobius provectus" = Archaeoheilus provectus Scudder 1876 snout beetle
4051
Epicaerus effossus Scudder 1876 snout beetle
Scudder, 1878 mentions nearly 50 specimens of this species;
Epicaerus exanimis Scudder 1876 snout beetle
31 specimens between the two collections
"Eudiagogus terrosus n. sp." = Epicaerus terrosus Scudder 1878 snout beetle
4024(4078)
Epicaerus saxatilis Scudder 1876 snout beetle
27 specimens mention in Scudder, 1978; already 4 in Richardson collection
"Otiorhynchus ? perditus" = Pseudophaops perditus Scudder 1876 snout beetle
Ophryastes compactus n. sp. Scudder 1878 snout beetle
4210
Dryocoetes carbonarius n. sp. Scudder 1878 bark beetle
3999
"Dryocoetes impressus" = Trypodendron impressus Scudder 1876 bark beetle
4009, 4048, 4091
 Coleoptera - Anthribidae
"Cratoparis repertus n. sp." = Euparius repertus, "? Cratoparis elusus n. sp." = Euparius elusus
"Cratoparis repertus n. sp." = Euparius repertus Scudder 1878 fungus weevil
4035
"? Cratoparis elusus n. sp." = Euparius elusus Scudder 1878 fungus weevil
4012, 4060
 Coleoptera - Nemonychidae
Eugnamptus decemsatus n. sp. Scudder 1878 pine flower snout beetle
4046
 Coleoptera - Carabidae
"Cychrus testeus n. sp." = Neothanes testeus, Platynus senex n. sp.
"Cychrus testeus n. sp." = Neothanes testeus Scudder 1878 ground beetle
4059(4100)
Platynus senex n. sp. Scudder 1878 ground beetle
3998(3992)
 Diptera - Syrphidae
Cheilosia ampla n. sp. Scudder 1878 hoverfly
4112, 4135(4141)
Cheilosia scudderi1 Cockerell and Le Veque 1931 hoverfly
4113, 4150
Syrphus sp. Fabricius 1775 hover fly
4110(4132)
 Diptera - Sciomyzidae
? Sciomyza manca n. sp. Scudder 1878 snail-killing fly
extremely abundant
? Sciomyza disjecta n. sp. Scudder 1878 snail-killing fly
12 specimens in total found
 Diptera - Dolichopodidae
Dolichopus sp. Latreille 1796 long-legged fly
4124(4148)
 Diptera - Asilidae
Stenocinclis anomala n. gen. n. sp.
Stenocinclis anomala n. gen. n. sp. Scudder 1878 robber fly
4143
 Diptera - Mycetophilidae
Mycetophilidae indet. Newman 1835 fungus gnat
4134, 4114
 Diptera - Tipulidae
Tipulidae indet. Latreille 1802 crane fly
15 specimens found by Scudder and Richardson
 Odonata - Megapodagrionidae
"Podagrion abortivum n. sp." = Eopodagrion abortivum
"Podagrion abortivum n. sp." = Eopodagrion abortivum Scudder 1878 flatwing
MCZ 4169
 Odonata - Libellulidae
Libellulidae indet. Rambur 1842 common skimmer
fragments of abdomen 4175(4176)
Arachnida
 Araneae - Araneidae
"Epeira sp." = Araneus2
"Epeira sp." = Araneus2 Clerck 1757 orb-weaving spider
4199(4200)