Fossil CaƱon (Eocene of the United States)

Where: Utah (38.9° N, 109.2° W: paleocoordinates 42.8° N, 95.9° W)

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

Environment/lithology: lacustrine - large; diatomaceous shale

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression

Collected by W. Denton

Primary reference: S. H. Scudder. 1875. The Tertiary Physopoda of Colorado. Bulletin of the United States Geological and Geographical Survey of the Territories 2(1):221-223 [C. Labandeira/C. Labandeira/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 121147: authorized by Matthew Clapham, entered by Jered Karr on 28.11.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Hemiptera - Lygaeidae
Pachymerus petrensis n. sp.3 Scudder 1877 milkweed bug
 Thysanoptera - Aeolothripidae
Palaeothrips fossilis n. gen. n. sp.1, Lithadothrips vetusta n. gen. n. sp.
Palaeothrips fossilis n. gen. n. sp.1 Scudder 1867 thrips
Lithadothrips vetusta n. gen. n. sp. Scudder 1875 thrips
 Psocodea -
Paropsocus disjunctus n. gen. n. sp.4
Paropsocus disjunctus n. gen. n. sp.4 Scudder 1890 bark louse
33c Denton
 Hymenoptera - Formicidae
Camponotus vetus n. sp.3, "Liometopum pingue n. sp." = Eoformica pinguis3
Camponotus vetus n. sp.3 Scudder 1877 ant
"Liometopum pingue n. sp." = Eoformica pinguis3 Scudder 1877 ant
 Coleoptera - Elateridae
Epiphanis deletus n. sp.2 Scudder 1876 click beetle
Oxygonus mortuus n. sp.2 Scudder 1876 click beetle
 Coleoptera - Staphylinidae
Leistotrophus patriarchicus n. sp.2 Scudder 1876 rove beetle
 Coleoptera - Carabidae
Bembidium exoletum n. sp.2 Scudder 1876 ground beetle
found by Denton
 Coleoptera - Dytiscidae
Laccophilus sp.2 Leach 1817 predaceous diving beetle
 Diptera -
Lasioptera recessa n. sp.3 Scudder 1877 fly
 Diptera - Chironomidae
Chironomidae indet.3 Macquart 1838 non biting midge
 Diptera - Muscidae
Muscidae indet.3 Latreille 1802 house fly
 Diptera - Mythicomyiidae
Acrocera hirsuta n. sp.3 Scudder 1877 fly
 Diptera - Mycetophilidae
Gnoriste dentoni n. sp.3 Scudder 1877 fungus gnat
 Diptera - Cylindrotomidae
Cyttaromyia fenestrata n. gen. n. sp.3
Cyttaromyia fenestrata n. gen. n. sp.3 Scudder 1877 long bodied crane fly
 Diptera - Limoniidae
Pronophlebia rediviva n. gen. n. sp.3, Dicranomyia primitiva n. sp.3, "Dicranomyia stigmosa n. sp." = Dicranomyia stigmosa3, "Tipula tecta n. sp." = Dicranomyia stigmosa3, "Dicranomyia rostrata n. sp." = Dicranomyia rostrata3, "Tipula decrepita n. sp." = Dicranomyia rostrata3
Pronophlebia rediviva n. gen. n. sp.3 Scudder 1877 crane fly
Dicranomyia primitiva n. sp.3 Scudder 1877 crane fly
"Dicranomyia stigmosa n. sp." = Dicranomyia stigmosa3 Scudder 1877 crane fly
"Tipula tecta n. sp." = Dicranomyia stigmosa3 Scudder 1877 crane fly
"Dicranomyia rostrata n. sp." = Dicranomyia rostrata3 Scudder 1877 crane fly
"Tipula decrepita n. sp." = Dicranomyia rostrata3 Scudder 1877 crane fly
 Diptera - Psychodidae
Culex proavitus n. sp.3 Scudder 1877 moth fly