Where: Nevada County, California (39.2° N, 120.9° W: paleocoordinates 40.8° N, 106.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Middle Eocene (47.8 - 37.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: "floodplain"; brown claystone
Size class: macrofossils
Preservation: mold/impression, adpression, original carbon
Collection methods: surface (in situ),
Primary reference: H. D. MacGinitie. 1941. A Middle Eocene Flora from the Central Sierra Nevada. Carnegie Institution of Washington Publication 534:1-178 [H. Sims/H. Lindon/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 23998: authorized by Hallie Sims, entered by Heather Lindon on 26.07.2002, edited by Hallie Sims
Creative Commons license: CC BY (attribution)
Taxonomic list
Dicotyledoneae | |
Terminalia estamina MacGinitie 1941 | |
Gordonia egregia Lesquereux 1878 tea | |
Diospyros retinervis MacGinitie 1941 | |
Angiospermae | |
Rhus mixta Lesquereux 1878 sumac | |
Thouinopsis myricaefolia Lesquereux 1878 soapberry
Cupania oregona Chaney and Sanborn 1933 soapberry | |
Canarium californicum Lesquereux 1878 | |
Cedrela eolancifolia n. sp.
Cedrela eolancifolia n. sp. MacGinitie 1941 mahogany | |
Strongylodon falcata, Pongamia ovata n. sp.
Strongylodon falcata MacGinitie 1941 legume
Pongamia ovata n. sp. MacGinitie 1941 legume | |
Chrysobalanus eoicaco MacGinitie 1941 rose | |
Rhamnidium chaneyi Potbury 1935 buckthorn
Rhamnus plenus MacGinitie 1937 buckthorn | |
Chaetoptelea pseudofulva Lesquereux 1878 elm | |
Mallotus riparius MacGinitie 1941 spurge
Acalypha aequalis MacGinitie 1941 spurge | |
Quercus nevadensis Lesquereux 1878 oak
Quercus distincta Lesquereux 1878 oak
Castanopsis longipetiolatum Knowlton 1899 chinquapin | |
Engelhardtia nevadensis MacGinitie 1941
Carya sessilis MacGinitie 1941 hickory | |
Ficus densifolia Knowlton 1899 fig | |
Magnolia dayana Cockerell 1910 magnolia | |
Platanus coloradensis, "Platanus appendiculata" = Platanus appendiculata, "Acer aequidentatum" = Platanus appendiculata, "Platanophyllum whitneyi" = Macginitiea whitneyi
Platanus coloradensis Knowlton 1930 plane tree
"Platanus appendiculata" = Platanus appendiculata Lesquereux 1878 plane tree
"Acer aequidentatum" = Platanus appendiculata Lesquereux 1878 plane tree
"Platanophyllum whitneyi" = Macginitiea whitneyi Lesquereux 1878 | |
Hamamelites voyana Lesquereux 1878 witch-hazel
Liquidambar californicum Lesquereux 1878 sweetgum | |
Cercidiphyllum elongatum Brown 1939 katsura | |
Nyssa californica MacGinitie 1941 tupelo | |
Phytocrene sordida Lesquereux 1878 white pear | |
Fraxinus yubaensis n. sp.
Fraxinus yubaensis n. sp. MacGinitie 1941 ash | |
Hyperbaena diforma Potbury 1935 | |
Smilax labidurommae Cockerell 1914 greenbrier | |
Persea pseudocarolinensis, Persea praelingue, Cryptocarya praesamarensis, Laurophyllum fremontensis, Cinnamomum dilleri, Cinnamomum acrodromum
Persea pseudocarolinensis Lesquereux 1878 laurel
Persea praelingue Sanborn 1935 laurel
Cryptocarya praesamarensis Sanborn 1935 laurel
Laurophyllum fremontensis Berry 1930 laurel
Cinnamomum dilleri Knowlton 1902 cinnamon
Cinnamomum acrodromum Potbury 1935 cinnamon | |
Zamites californica MacGinitie 1941 | |
Phyllites | |
Phyllites laurinea Lesquereux 1878
Phyllites daturaefolia MacGinitie 1941 | |
Carpites | |
Carpites egregia MacGinitie 1941 |