Singer Trench, Singer Ranch, Florissant (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 in 1972-1974

• Several years prior to 1976

Primary reference: F. M. Brown. 1976. Oligodonta florissantensis, gen. n., sp. nov. (Lepidoptera: Pieridae). Bulletin of the Allyn Museum 37:1-4 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122980: authorized by Matthew Clapham, entered by Matthew Clapham on 08.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Insecta
 Lepidoptera - Nymphalidae
"Oligodonta florissantensis n. gen. n. sp." = Prolibythea florissanti
"Oligodonta florissantensis n. gen. n. sp." = Prolibythea florissanti Scudder 1892 snout butterfly