Florissant, Station 11 (Eocene of the United States)

Where: Teller County, Colorado (38.9° N, 105.3° W: paleocoordinates 40.4° N, 97.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Florissant Formation, Chadronian (37.2 - 33.9 Ma)

Environment/lithology: lacustrine - large; lithified, diatomaceous, tuffaceous shale

• "shales"

Size class: mesofossils

Preservation: adpression

Collected by W. P. Cockerell, T. D. A. Cockerell, S. A. Rohwer; reposited in the UCM

Primary reference: C. T. Brues. 1906. Fossil Parasitic and Phytophagous Hymenoptera from Florissant, Colorado. Bulletin of the American Museum of Natural History 22:491-498 [C. Labandeira/C. Labandeira/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122975: authorized by Matthew Clapham, entered by Matthew Clapham on 08.01.2012, edited by Amy Delelli

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Hymenoptera - Ichneumonidae
Mesostenus modestus n. sp.
Mesostenus modestus n. sp. Brues 1906 ichneumon wasp
 Hymenoptera - Pompilidae
"Agenia cockerellae n. sp." = Pepsinites cockerellae2
"Agenia cockerellae n. sp." = Pepsinites cockerellae2 Rohwer 1909 spider wasp
UCM 8598
 Coleoptera - Tenebrionidae
Meracantha lacustris n. sp.3
Meracantha lacustris n. sp.3 Wickham 1909 darkling beetle
YPM 222
 Coleoptera - Curculionidae
Geralophus repositus4, Geralophus lassatus4
Geralophus repositus4 Scudder 1893 snout beetle
no. 247
Geralophus lassatus4 Scudder 1893 snout beetle
no. 224
 Coleoptera - Scarabaeidae
Aphodius laminicola4
Aphodius laminicola4 Wickham 1910 scarab beetle
Florissant 1906 no. 39; Station 11 or 12
 Diptera - Tipulidae
Tipula florissanta1
Tipula florissanta1 Scudder 1894 crane fly
AMNH 26453/2 (coll Wheeler)
 Diptera - Bombyliidae
"Amphicosmus delicatulus n. sp." = Amphicosmus (Amphicosmus) delicatulus1
"Amphicosmus delicatulus n. sp." = Amphicosmus (Amphicosmus) delicatulus1 Melander 1949 bee fly
AMNH 26600 (S.A. Rohwer)
 Diptera - Sepsidae
Themira saxifica n. sp.1
Themira saxifica n. sp.1 Melander 1949 fly
AMNH 26616 (S.A. Rohwer)
 Diptera - Bibionidae
Bibio cockerelli1, Bibio wickhami1, Bibio explanatus n. sp.1, Bibio vulcanius1
Bibio cockerelli1 James 1937 march fly
AMNH 26484/1
Bibio wickhami1 Cockerell 1915 march fly
AMNH 26490/1 (10 specimens from four stations, undivided)
Bibio explanatus n. sp.1 Melander 1949 march fly
AMNH 26485
Bibio vulcanius1 Melander 1949 march fly
AMNH 26489
1Melander 1949; 2Rohwer 1909; 3Wickham 1909; 4Wickham 1911