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