Clare Ranch (Eocene of the United States)

Also known as Florissant

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

• coordinate stated in text

• small collection-level geographic resolution

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

• "early Chadronian... approximately 32.0-34.0 Ma" (i.e., late Chadronian)

Environment/lithology: lacustrine - large; lithified mudstone

• lake was formed by impoundment of a drainage system "by pyroclastic flow from a nearby volcano"
• formation consists of "fine-grained mud, silt, and volcanic ash"

Size class: macrofossils

Preservation: adpression, soft parts

Collected by C. Cherpin, J. Carpenter; reposited in the DMNH

• donated to the DMNH in 1993

Primary reference: R. M. Chandler. 1999. Fossil birds of Florissant, Colorado: with a description of a new genus and species of cuckoo. In V. L. Santucci, L. McClelland (eds.), National Park Service Paleontological Research, Volume 4. Geologic Resources Division Technical Report NPS/NRGRD/GRDTR-99/03 49-53 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84799: authorized by John Alroy, entered by John Alroy on 11.11.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Aves
 Cuculiformes - Cuculidae
Eocuculus cherpinae n. gen. n. sp.
Eocuculus cherpinae n. gen. n. sp. Chandler 1999 cuckoo