Mouth of Ephraim Canyon (Eocene of the United States)

Where: Sanpete County, Utah (39.3° N, 111.6° W: paleocoordinates 42.8° N, 99.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Colton Formation, Eocene (56.0 - 33.9 Ma)

• "Eocene"

• bed-level stratigraphic resolution

Environment/lithology: lacustrine; lithified, fine-grained limestone

• "fine-grained limestone"

Size class: macrofossils

Preservation: adpression

Collected by Kurt E. Boker in 1953

• reposited in the University of Kansas Museum of Natural History

Primary reference: J. W. Hardy. 1959. A previously undescribed recurvirostrid from the Eocene of Utah. Auk 76(1):106-108 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74296: authorized by John Alroy, entered by John Alroy on 01.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Aves
 Anseriformes - Presbyornithidae
"Coltonia recurvirostra n. gen. n. sp." = Presbyornis recurvirostrus
"Coltonia recurvirostra n. gen. n. sp." = Presbyornis recurvirostrus Hardy 1959 waterfowl