PBDB Collection

Fossil Schoolhouse, (Oligocene of the United States)

Also known as Bridge Creek Flora; Wheeler County High School exposures; U.S.G.S. loc. 9420; UCMP V5636; UCMP PA15

Where: Wheeler County, Oregon (45.0° N, 120.2° W: paleocoordinates 44.7° N, 109.4° W)

• coordinate stated in text

When: Big Basin Member (John Day Formation), Early/Lower Oligocene (33.9 - 28.4 Ma)

• Jacisin and Hopkins (2018) indicate beds are between 32.66Ma and 32.99Ma

• formation-level stratigraphic resolution

Environment/lithology: lacustrine; shale

• "dark shale"

Size classes: macrofossils, mesofossils

Preservation: mold/impression, adpression, original carbon

Collection methods: bulk,

Primary reference: H. W. Meyer and S. R. Manchester. 1997. The Oligocene Bridge Creek flora of the John Day Formation, Oregon. University of California Publications in Geological Sciences 141:1-195 [J. Alroy/J. Alroy/H. Wang]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35221: authorized by Bruce Tiffney, entered by Julia Fosdick on 18.11.2003, edited by John Alroy and Patricia Holroyd

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Asterocarpinus perplexans, Paracarpinus chaneyi, Typhoides buzekii, Beckerosperma ovalicarpa, Potanospira fryi Asterocarpinus perplexans Paracarpinus chaneyi Typhoides buzekii Beckerosperma ovalicarpa Potanospira fryi
Amphibia
Caudata - Urodela	Taricha lindoei n. sp.² Taricha lindoei n. sp.² Naylor 1979 Roughskin newts
Mammalia
Chiroptera -	Chiroptera indet.¹ Chiroptera indet.¹ Blumenbach 1779 bat
Angiospermae
-	Angiospermae indet., "Dicotyledones "sp. 2"" = Dicotyledoneae, "Dicotyledones "sp. 3"" = Dicotyledoneae, "Dicotyledones "sp. 7"" = Dicotyledoneae, "Dicotyledones "sp. 8"" = Dicotyledoneae, "Dicotyledones "sp. 15"" = Dicotyledoneae, "Dicotyledones "sp. 16"" = Dicotyledoneae, "Dicotyledones "sp. 17"" = Dicotyledoneae, "Dicotyledones "sp. 18"" = Dicotyledoneae, "Dicotyledones "sp. 25"" = Dicotyledoneae, "Dicotyledones "sp. 27"" = Dicotyledoneae, "Dicotyledones "sp. 29"" = Dicotyledoneae, "Dicotyledones "sp. 31"" = Dicotyledoneae Angiospermae indet. originally entered as "Unknown sp." "Dicotyledones "sp. 2"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 2" "Dicotyledones "sp. 3"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 3" "Dicotyledones "sp. 7"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 7" "Dicotyledones "sp. 8"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 8" "Dicotyledones "sp. 15"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 15" "Dicotyledones "sp. 16"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 16" "Dicotyledones "sp. 17"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 17" "Dicotyledones "sp. 18"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 18" "Dicotyledones "sp. 25"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 25" "Dicotyledones "sp. 27"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 27" "Dicotyledones "sp. 29"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 29" "Dicotyledones "sp. 31"" = Dicotyledoneae originally entered as "Unknown dicotyledonous sp. 31"
Dicotyledoneae
Myrtales - Lythraceae	Decodon brownii Decodon brownii
Myrtales - Combretaceae	Terminalia oregona Terminalia oregona
Angiospermae
Malvales - Tiliaceae	Tilia circularis, Tilia fossilensis Tilia circularis linden Tilia fossilensis linden
Sapindales - Anacardiaceae	Rhus sp., Rhus lesquereuxii Rhus sp. Linnaeus 1753 sumac Rhus lesquereuxii Knowlton and Cockerell 1919 sumac
Sapindales - Sapindaceae	Acer osmontii, Acer ashwillii, Acer "sp. 2", Acer "sp. A", Acer "sp. C", Acer cranei, Acer glabroides Acer osmontii maple Acer ashwillii maple Acer "sp. 2" Linnaeus 1753 maple Acer "sp. A" Linnaeus 1753 maple Acer "sp. C" Linnaeus 1753 maple Acer cranei Wolfe and Tanai 1987 maple Acer glabroides Brown 1937 maple
Sapindales - Meliaceae	Cedrela merrillii Cedrela merrillii mahogany
Fabales - Fabaceae	"Leguminosae gen. et sp. indet" = Fabaceae, Cladrastis oregonensis, Cladrastis sp., Cercis maurerae "Leguminosae gen. et sp. indet" = Fabaceae Lindley 1836 legume Cladrastis oregonensis yellowwood Cladrastis sp. Rafinesque 1824 yellowwood Cercis maurerae redbud
Rosales - Pomaceae	Crataegus merriamii Crataegus merriamii hawthorn
Rosales - Rhamnaceae	Hovenia oregonensis Hovenia oregonensis buckthorn
Rosales - Ulmaceae	Cedrelospermum lineatum, Ulmus chaneyi, Ulmus sp. 2, Ulmus sp. B, Ulmus speciosa Cedrelospermum lineatum elm Ulmus chaneyi elm Ulmus sp. 2 Linnaeus 1753 elm Ulmus sp. B Linnaeus 1753 elm Ulmus speciosa Newberry 1883 elm
Fagales - Fagaceae	Quercus sp., Quercus consimilis, Fagus pacifica Quercus sp. Linnaeus 1753 oak Quercus consimilis Newberry 1883 oak Fagus pacifica beech
Fagales - Betulaceae	Alnus heterodonta, Alnus newberryi, Alnus sp. Alnus heterodonta alder Alnus newberryi alder Alnus sp. Miller 1754 alder
Fagales - Juglandaceae	Palaeocarya cf. olsonii, Cruciptera sp., Carya sp. 1, Carya sp. A, Juglans wheelerensis Palaeocarya cf. olsonii Cruciptera sp. Manchester 1991 Carya sp. 1 Nuttall 1818 hickory Carya sp. A Nuttall 1818 hickory Juglans wheelerensis walnut
Monocotyledones -	"Monocotyledones indet." = Monocotyledoneae "Monocotyledones indet." = Monocotyledoneae originally entered as "Unknown monocotyledonous sp."
Proteales - Platanaceae	Platanus condonii, Platanus exaspera, Platanus sp. Platanus condonii plane tree Platanus exaspera plane tree Platanus sp. Linnaeus 1753 plane tree
Saxifragales - Grossulariaceae	Ribes sp. Ribes sp. Linnaeus 1753 currant
Saxifragales - Hamamelidaceae	Hamamelidaceae gen. et sp. indet., Parrotia brevipetiolata Hamamelidaceae gen. et sp. indet. Brown 1818 witch-hazel Parrotia brevipetiolata Meyer and Manchester 1997 ironwood
Saxifragales - Saxifragaceae	Hydrangea sp. Hydrangea sp. Linnaeus 1753 hydrangea
Saxifragales - Cercidiphyllaceae	Cercidiphyllum crenatum Cercidiphyllum crenatum Brown 1935 katsura
Cornales - Cornaceae	Cornus sp. Cornus sp. Linnaeus 1753 dogwood
Lamiales - Bignoniaceae	Catalpa sp. Catalpa sp. Scopoli 1777 trumpet vine
Lamiales - Oleaceae	Fraxinus sp. Fraxinus sp. Linnaeus 1753 ash
Solanales - Solanaceae	Florissantia speirii Florissantia speirii Manchester 1992 nightshade
Ranunculales - Berberidaceae	Mahonia simplex Mahonia simplex barberry
Nymphaeales - Nymphaeaceae	Nymphaeaceae gen. et sp. indet., Nuphar sp. Nymphaeaceae gen. et sp. indet. Salisbury 1805 water lily Nuphar sp. Smith 1809 water lily

Coniferales - Cupressaceae	Metasequoia sp. Metasequoia sp. Miki 1941 dawn redwood
Pinopsida
Pinales - Taxaceae	Torreya masonii Torreya masonii yew
Pinales - Pinaceae	Abies sp., Pinus johndayensis Abies sp. Miller 1754 fir Pinus johndayensis pine
Craigia
-	Craigia oregonensis Craigia oregonensis
Polypodiopsida
- Polypodiaceae	cf. Polypodium sp. cf. Polypodium sp. Linnaeus 1753
Polypodiales - Polypodiidae	Pteris silvicola Pteris silvicola
Cinnamomophyllum
-	Cinnamomophyllum bendirei Cinnamomophyllum bendirei
Saportaspermum
-	Saportaspermum occidentalis Saportaspermum occidentalis
Juglandiphyllites
-	Juglandiphyllites cryptatus Juglandiphyllites cryptatus
Plafkeria
-	Plafkeria obliquifolia Plafkeria obliquifolia

¹Brown 1959; ²Jacisin and Hopkins 2018