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 23996: authorized by Hallie Sims, entered by Heather Lindon on 26.07.2002, edited by Hallie Sims and Karl Volkman
Creative Commons license: CC BY (attribution)
Taxonomic list
Carpites | |
Carpites egregia MacGinitie 1941 | |
Angiospermae | |
Castanopsis longipetiolatum Knowlton 1899 chinquapin
Quercus nevadensis Lesquereux 1878 oak
Quercus distincta Lesquereux 1878 oak | |
Engelhardtia nevadensis MacGinitie 1941 | |
Alnus operia MacGinitie 1941 alder | |
Chrysobalanus eoicaco MacGinitie 1941 rose | |
Rhamnidium chaneyi Potbury 1935 buckthorn | |
Chaetoptelea pseudofulva Lesquereux 1878 elm | |
Celastrus preangulata MacGinitie 1941 bittersweet | |
Mallotus riparius MacGinitie 1941 spurge | |
Rhus mixta Lesquereux 1878 sumac | |
Thouinopsis myricaefolia Lesquereux 1878 soapberry | |
Canarium californicum Lesquereux 1878 | |
Dicotyledoneae | |
Gordonia egregia Lesquereux 1878 tea | |
Angiospermae | |
Nerium hinoidea n. sp. MacGinitie 1941 oleander
Tabernaemontana chrysophylloides Lesquereux 1878 milkwood | |
Cornus kelloggii Lesquereux 1878 dogwood | |
Cercidiphyllum elongatum Brown 1939 katsura | |
Liquidambar californicum Lesquereux 1878 sweetgum | |
"Platanophyllum whitneyi" = Macginitiea whitneyi, Platanus appendiculata
"Platanophyllum whitneyi" = Macginitiea whitneyi Lesquereux 1878
Platanus appendiculata Lesquereux 1878 plane tree | |
Persea pseudocarolinensis Lesquereux 1878 laurel
Persea praelingue Sanborn 1935 laurel
Cinnamomum dilleri Knowlton 1902 cinnamon
Neolitsea lata MacGinitie 1941 laurel | |
Magnolia dayana Cockerell 1910 magnolia | |
Zamites californica MacGinitie 1941 |