Whitecap Knoll (Oligocene of the United States)

Where: Wheeler County, Oregon (44.9° N, 120.4° W)

• Paleocoordinates: 49.6° N, 105.0° W (Wright 2013)

• coordinate based on unpublished field data

When: John Day Formation, Oligocene (33.9 - 23.0 Ma)

Environment/lithology: terrestrial; shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: S. R. Manchester. 2000. Late Eocene fossil plants of the John Day Formation, Wheeler County, Oregon. Oregon Geology 62(3):51-84more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 237756: authorized by Nicholas Famoso, entered by Nicholas Famoso on 15.12.2024

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Beckerospermum sp.
Angiospermae
 Sapindales - Sapindaceae
Acer sp., Dipteronia sp.
Acer sp. Linnaeus 1753 maple
Dipteronia sp. Oliver 1889 soapberry
 Sapindales - Simaroubaceae
Ailanthus sp.
Ailanthus sp. Desfontaines 1786
 Rosales - Rosaceae
Rosa sp.
Rosa sp. Linnaeus 1753 rose
 Rosales - Ulmaceae
Ulmus sp.
Ulmus sp. Linnaeus 1753 elm
 Rosales - Rhamnaceae
Rhamnaceae indet.
Rhamnaceae indet. Jussieu 1789 buckthorn
 Fagales - Juglandaceae
Palaeocarya sp., Cruciptera sp.
Palaeocarya sp. Saporta 1873
Cruciptera sp. Manchester 1991
 Fagales - Fagaceae
Quercus "sp. 1", Quercus "sp. 2"
Quercus "sp. 1" Linnaeus 1753 oak
Quercus "sp. 2" Linnaeus 1753 oak
 Fagales - Betulaceae
Alnus sp.
Alnus sp. Miller 1754 alder
Dicotyledoneae
 Myrtales - Lythraceae
Decodon sp.
Decodon sp. Gmelin 1791
Angiospermae
 Ranunculales - Berberidaceae
Mahonia sp.
Mahonia sp. Nuttall 1818 barberry
 Solanales - Solanaceae
Florissantia sp.
Florissantia sp. Knowlton 1916 nightshade
 Garryales - Eucommiaceae
Eucommia sp.
Eucommia sp. Oliver 1890
 Lamiales - Bignoniaceae
Catalpa sp.
Catalpa sp. Scopoli 1777 trumpet vine
 Saxifragales - Saxifragaceae
Hydrangea sp.
Hydrangea sp. Linnaeus 1753 hydrangea
 Proteales - Nelumbonaceae
Nelumbo sp.
Nelumbo sp. Adanson 1763 lotus
 Proteales - Platanaceae
Platanus sp.
Platanus sp. Linnaeus 1753 plane tree
 Ceratophyllales - Ceratophyllaceae
Ceratophyllum sp.
Ceratophyllum sp. Linnaeus 1753 hornwort
Craigia
  -
Craigia sp.
Craigia sp. Smith and Evans 1921
Cinnamomophyllum
  -
Cinnamomophyllum sp.
Cinnamomophyllum sp. Kraeusel and Weyland 1950