PBDB Collection

Cut No. 1, Spokane, Portland & Seattle Railway (Miocene of the United States)

Where: Spokane County, Washington (47.6° N, 117.5° W)

• Paleocoordinates: 51.4° N, 111.9° W (Wright 2013)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Latah Formation, Miocene (23.0 - 5.3 Ma)

• formation-level stratigraphic resolution

Environment/lithology: fluvial; shale

Size class: macrofossils

Preservation: mold/impression

Primary reference: F. H. Knowlton. 1926. Flora of the Latah formation of Spokane, Washington, and Coeur d'Alene, Idaho. US Geological Survey Professional Paper 140(A):17-55 [B. Allen/B. Allen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 224391: authorized by Bethany Allen, entered by Bethany Allen on 28.02.2022

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Dicotyledoneae
Ericales - Ebenaceae	Diospyros andersonae n. sp., Diospyros microcalyx n. sp. Diospyros andersonae n. sp. Knowlton 1926 Diospyros microcalyx n. sp. Knowlton 1926
Angiospermae
Alismatales - Potamogetonaceae	Potamogeton sp. Potamogeton sp. Linnaeus 1753 pondweed
Malvales - Malvaceae	Malva hesperia n. sp. Malva hesperia n. sp. Knowlton 1926 mallow
Fagales - Fagaceae	Quercus chaneyi n. sp., Quercus spokanensis n. sp., Quercus simulata, Quercus obtusa n. sp., Castanea castaneaefolia, "Salix perplexa" = Castanopsis perplexa Quercus chaneyi n. sp. Knowlton 1926 oak Quercus spokanensis n. sp. Knowlton 1926 oak Quercus simulata Knowlton 1898 oak Quercus obtusa n. sp. Knowlton 1926 oak Castanea castaneaefolia Unger 1847 chestnut "Salix perplexa" = Castanopsis perplexa Knowlton 1902 chinquapin
Fagales - Betulaceae	Carpinus sp., Betula heteromorpha, Betula largei Carpinus sp. Linnaeus 1753 hornbeam Betula heteromorpha Knowlton 1902 birch Betula largei Knowlton 1926 birch
Celastrales - Celastraceae	Celastrus fernquisti n. sp. Celastrus fernquisti n. sp. Knowlton 1926 bittersweet
Rosales - Ulmaceae	Ulmus fernquisti n. sp., Ulmus speciosa Ulmus fernquisti n. sp. Knowlton 1926 elm Ulmus speciosa Newberry 1883 elm
Rosales - Papilionaceae	? Robinia sp., Meibomites lucens n. gen. n. sp. ? Robinia sp. Linnaeus 1753 Meibomites lucens n. gen. n. sp. Knowlton 1926
Malpighiales - Salicaceae	Salix remotidens n. sp., Populus heteromorpha n. sp. Salix remotidens n. sp. Knowlton 1926 willow Populus heteromorpha n. sp. Knowlton 1926 poplar
Saxifragales - Saxifragaceae	Hydrangea bendirei Hydrangea bendirei Ward 1885 hydrangea
Mesangiosperms -	Poales indet. Poales indet. Small 1903 "Grass?"
Laurales - Lauraceae	Laurus princeps, Laurus californica, Laurus similis, Laurus grandis Laurus princeps Heer 1856 laurel Laurus californica Lesquereux 1883 laurel Laurus similis Knowlton 1900 laurel Laurus grandis Lesquereux 1883 laurel

Coniferales - Cupressaceae	Libocedrus praedecurrens n. sp., Taxodium dubium Libocedrus praedecurrens n. sp. Knowlton 1926 cypress Taxodium dubium Sternberg 1824 cypress
Phyllites
-	Phyllites amplexicaulis n. sp., Phyllites pardeei n. sp. Phyllites amplexicaulis n. sp. Knowlton 1926 Phyllites pardeei n. sp. Knowlton 1926
Carpites
-	Carpites paulownia n. sp., Carpites magnifica n. sp., Carpites polygonoides n. sp. Carpites paulownia n. sp. Knowlton 1926 Carpites magnifica n. sp. Knowlton 1926 Carpites polygonoides n. sp. Knowlton 1926
Polypodiopsida
Equisetales - Equisetidae	Equisetum sp. Equisetum sp. Linnaeus 1753 horsetail
Ginkgoopsida
Ginkgoales - Ginkgoaceae	Ginkgo adiantoides Ginkgo adiantoides Unger 1845 ginkgo
Musci
- Mniaceae	Archaeomnium patens n. gen. n. sp. Archaeomnium patens n. gen. n. sp. Britton 1926