Six Miles North of Rifle (Eocene of the United States)

Also known as Rifle Gap

Where: Garfield County, Colorado (39.6° N, 107.8° W: paleocoordinates 43.4° N, 94.2° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Bridgerian (50.3 - 46.2 Ma)

• "Eocene shales" (possibly from the Wasatch Formation and therefore possibly Paleocene but definitely no younger than Middle Eocene, considered to be Green River by Cockerell)

Environment/lithology: lacustrine - large; shale

Size class: mesofossils

Preservation: adpression

Collected by S. M. Bradbury

• "sent by" by Bradbury; repository unclear, but probably University of Colorado

Primary reference: T. D. A. Cockerell. 1908. A fossil fly of the family Blepharoceridae. The Entomologist 41:262-265 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 106481: authorized by John Alroy, entered by John Alroy on 18.03.2011, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hemiptera -
Eofulgorella bradburyi n. gen. n. sp.2
Eofulgorella bradburyi n. gen. n. sp.2 Cockerell 1909 planthopper
 Hemiptera - Coreidae
Jadera interita n. sp.2 Cockerell 1909 leaf-footed bug
 Hemiptera - Cydnidae
Cydnopsis handlirschi n. sp.2 Cockerell 1909 burrowing bug
 Diptera - Platypezidae
? Callomyia hypolitha n. sp.1 Cockerell 1909 flat-footed fly
 Diptera - Mycetophilidae
Tetragoneura peritula n. sp.1 Cockerell 1909 fungus gnat
 Diptera - Blephariceridae
Philorites johannseni n. gen. n. sp.
Philorites johannseni n. gen. n. sp. Cockerell 1908 net-winged midge