Crooked River Valley near Post (Eocene of the United States)

Also known as UF localities 278 and 279

Where: Crook County, Oregon (44.2° N, 120.5° W: paleocoordinates 46.2° N, 104.6° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: John Day Formation, Eocene (56.0 - 33.9 Ma)

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression, soft parts

Primary reference: S. R. Manchester and W. C. McIntosh. 2007. Late Eocene silicified fruits and seeds from the John Day Formation near Post, Oregon. PaleoBios 27(1):7-17more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 237755: authorized by Nicholas Famoso, entered by Nicholas Famoso on 15.12.2024

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Angiospermae
 Proteales - Sabiaceae
 Vitales - Vitaceae
 Rosales - Cannabaceae
unclassified
  -
Angiospermae
 Sapindales - Burseraceae
unclassified
  -
Angiospermae
 Fagales - Fagaceae
Quercus sp. Linnaeus 1753 oak
Fagus sp. Linnaeus 1753 beech
 Fagales - Juglandaceae
Carya sp. Nuttall 1818 hickory
 Fagales - Betulaceae
Alnus sp. Miller 1754 alder
 Rosales - Rosaceae
Rosaceae indet. Jussieu 1789 rose
 Malpighiales - Euphorbiaceae
Euphorbiaceae indet. Jussieu 1789 spurge
 Sapindales - Anacardiaceae
Anacardiaceae indet. Brown 1818 cashew
 Sapindales - Sapindaceae
Acer sp. Linnaeus 1753 maple
 Sapindales - Rutaceae
Zanthoxylum sp. Linnaeus 1753 prickly ash
  -
Carpolithus "sp. 12 " Linnaeus 1768
 Ranunculales - Menispermaceae
Menispermaceae indet. de Jussieu 1789
 Cornales - Alangiaceae
Alangium sp. Lamarck 1783
 Cornales - Cornaceae
Mastixicarpum sp. Chandler 1926
 Proteales - Platanaceae
Platanaceae indet. Lestiboudois 1826
 Proteales - Sabiaceae
Sabia sp. Colebrooke 1819
 Mesangiosperms - Arecaceae
Sabal sp. Adanson 1763 palm
 Magnoliales - Magnoliaceae
Magnolia sp. Linnaeus 1753 magnolia
Bivalvia
 Actinodontida - Cycloconchidae
"Davidia sp." = Actinodonta
"Davidia sp." = Actinodonta Philipps 1848 clam