JOHN DAY FOSSIL BEDS
Geology and Paleoenvironments of the Clarno Unit
John Day Fossil Beds National Monument, Oregon
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APPENDIX 13:
A checklist of early Oligocene (Orellan) fossils in the lower John Day Formation, Clarno area

EQUISETALES (horsetails)

Equisetum sp.: stem (horsetail)

CONIFERALES (conifers)

Keteleeria sp.: cone (keteleeria)
Metasequoia occidentalis (Newberry) Chaney: foliar shoots (dawn redwood)
Torreya sp.: needles (nutmeg tree)
Pinus sp.: winged seed (pine)
Coniferales gen. et sp. indet: wood (conifer) - Micay

MONOCOTYLEDONAE (grasses, reeds)

Monocotyledonae gen. et sp. indet.: leaf (broadleaf reed)

LAURACEAE (laurels)

Cinnamomophyllum bendirei (Knowlton) Wolfe: leaf (extinct laurel)
Cinnamomophyllum sp.: leaf (extinct laurel)

BERBERIDACEAE (barberry family)

Mahonia simplex (Newberry) Brown: leaf (Oregon grape)

CERCIDIPHYLLACEAE (katsura)

Cercidiphyllum crenatum (Unger) Brown: leaves, pods (extinct katsura)

BETULACEAE (birches)

Alnus heterodonta (Newberry) Meyer & Manchester: leaves (lobed alder)
Alnus hollandiana Jennings emend. Klucking: leaves (toothed alder)
Paracarpinus chaneyi Manchester & Crane: leaves, fruits (as Asterocarpinus perplexans Manchester & Crane) (extinct hornbeam)

FAGACEAE (oaks and beeches)

Quercus sp. indet.: acorns (oak)

TILIACEAE (lindens and basswoods)

Craigia oregonensis (Arnold) Kvacek, Buzek & Manchester: fruit (Chinese linden)
Plafkeria obliquifolia (Chaney) Wolfe: leaves (extinct linden)
"Tilia" circularis (Chaney) Manchester & Meyer: leaf (extinct filmy-leaved linden)
Tilia pedunculata Chaney: leaf (extinct basswood)
Tilia sp. indet.: leaves (extinct basswood)

STERCULIACEAE (cocoa family)

Florissantia speirii (Lesquereux) Manchester: flowers (extinct malvalean)

ROSACEAE (roses)

Crataegus merriami (Knowlton) Meyer & Manchester: leaf (hawthorn)
Rubus sp. indet.: leaf (raspberry)

SAXIFRAGACEAE (saxifrages and hydrangeas)

Hydrangea florissanti Cockerell: flower (extinct hydrangea)
Ribes sp. indet.: leaves (currants)

LEGUMINOSAE (pea family)

Cercis sp. indet.: pod (redbud)

LYTHRACEAE (henna family)

Decodon sp. indet.: leaves (water willow)

CORNACEAE (dogwoods)

Aucuba sp. indet. leaves (Japanese laurel)
Cornus sp. indet.: leaves (dogwood)

ICACINACEAE (icacina vines)

Palaeophytocrene sp. indet.: fruit (extinct icanina vine)

HIPPOCASTANACEAE (horse chestnuts)

Aesculus sp. indet.: leaf (horse chestnut)

ACERACEAE (maples)

Acer kluckingi Wolfe & Tanai: leaf (five-lobed maple)
Acer osmonti Knowlton: leaf, samara (broadleaf maple)
Acer manchesteri Wolfe & Tanai: leaf, samara (sycamorelike maple)

ANACARDIACEAE (cashew family)

Rhus sp. indet.: leaves (sumac)
Toxicodendron sp. indet.: leaves (poison oak)

JUGLANDACEAE (walnuts)

Juglans sp.: leaflets (walnut)

TRICHOPTERA (caddis flies)

Folindusia sp.: case (caddis fly case of redwood needles)

PISCES (fish)

Nuvumbra oregonensis Cavender: fish (mud minnow)

Note: Source of species names is Brown (1959), Wolfe and Tanai (1987), Manchester and Meyer (1987), Manchester (1992), Meyer and Manchester (1994).



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Last Updated: 21-Aug-2007