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 23999: authorized by Hallie Sims, entered by Heather Lindon on 26.07.2002, edited by Hallie Sims
Creative Commons license: CC BY (attribution)
Taxonomic list
Zamites californica MacGinitie 1941 | |
Dicotyledoneae | |
Gordonia egregia Lesquereux 1878 tea | |
Angiospermae | |
Chaetoptelea pseudofulva Lesquereux 1878 elm | |
Rhamnus calyptus MacGinitie 1941 buckthorn | |
Mallotus riparius MacGinitie 1941 spurge | |
Castanopsis longipetiolatum Knowlton 1899 chinquapin
Quercus nevadensis Lesquereux 1878 oak | |
Engelhardtia nevadensis MacGinitie 1941 | |
Pongamia ovata MacGinitie 1941 legume | |
Thouinopsis myricaefolia Lesquereux 1878 soapberry | |
Canarium californicum Lesquereux 1878 | |
Rhus mixta Lesquereux 1878 sumac | |
Platanus appendiculata, "Platanophyllum angustiloba" = Macginitiea angustiloba, "Platanophyllum whitneyi" = Macginitiea whitneyi
Platanus appendiculata Lesquereux 1878 plane tree
"Platanophyllum angustiloba" = Macginitiea angustiloba Lesquereux 1878
"Platanophyllum whitneyi" = Macginitiea whitneyi Lesquereux 1878 | |
Cercidiphyllum elongatum Brown 1939 katsura | |
Persea pseudocarolinensis Lesquereux 1878 laurel
Cinnamomum dilleri Knowlton 1902 cinnamon
Laurophyllum litseaefolia MacGinitie 1941 laurel | |
Carpites | |
Carpites egregia MacGinitie 1941 |