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 (48.6 - 37.2 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
Carpites | |
Carpites egregia MacGinitie 1941 | |
Phyllites | |
Phyllites laurinea Lesquereux 1878
Phyllites daturaefolia MacGinitie 1941 | |
Angiospermae | |
Rhus mixta Lesquereux 1878 sumac | |
Cupania oregona Chaney and Sanborn 1933 soapberry
Thouinopsis myricaefolia Lesquereux 1878 soapberry | |
Cedrela eolancifolia n. sp.
Cedrela eolancifolia n. sp. MacGinitie 1941 mahogany | |
Canarium californicum Lesquereux 1878 | |
Acalypha aequalis MacGinitie 1941 spurge
Mallotus riparius MacGinitie 1941 spurge | |
Pongamia ovata n. sp., Strongylodon falcata
Pongamia ovata n. sp. MacGinitie 1941 legume
Strongylodon falcata MacGinitie 1941 legume | |
Quercus nevadensis Lesquereux 1878 oak
Quercus distincta Lesquereux 1878 oak
Castanopsis longipetiolatum Knowlton 1899 chinquapin | |
Carya sessilis MacGinitie 1941 hickory
Engelhardtia nevadensis MacGinitie 1941 | |
Rhamnidium chaneyi Potbury 1935 buckthorn
Rhamnus plenus MacGinitie 1937 buckthorn | |
Chrysobalanus eoicaco MacGinitie 1941 rose | |
Chaetoptelea pseudofulva Lesquereux 1878 elm | |
Ficus densifolia Knowlton 1899 fig | |
Dicotyledoneae | |
Diospyros retinervis MacGinitie 1941 | |
Gordonia egregia Lesquereux 1878 tea | |
Terminalia estamina MacGinitie 1941 | |
Angiospermae | |
Magnolia dayana Cockerell 1910 magnolia | |
Nyssa californica MacGinitie 1941 tupelo | |
Fraxinus yubaensis n. sp.
Fraxinus yubaensis n. sp. MacGinitie 1941 ash | |
Phytocrene sordida Lesquereux 1878 white pear | |
Liquidambar californicum Lesquereux 1878 sweetgum
Hamamelites voyana Lesquereux 1878 witch-hazel | |
Cercidiphyllum elongatum Brown 1939 katsura | |
Hyperbaena diforma Potbury 1935 | |
"Platanophyllum whitneyi" = Macginitiea whitneyi, Platanus coloradensis, "Platanus appendiculata" = Platanus appendiculata, "Acer aequidentatum" = Platanus appendiculata
"Platanophyllum whitneyi" = Macginitiea whitneyi Lesquereux 1878
Platanus coloradensis Knowlton 1930 plane tree
"Platanus appendiculata" = Platanus appendiculata Lesquereux 1878 plane tree
"Acer aequidentatum" = Platanus appendiculata Lesquereux 1878 plane tree | |
Smilax labidurommae Cockerell 1914 greenbrier | |
Persea pseudocarolinensis, Persea praelingue, Cinnamomum dilleri, Cinnamomum acrodromum, Laurophyllum fremontensis, Cryptocarya praesamarensis
Persea pseudocarolinensis Lesquereux 1878 laurel
Persea praelingue Sanborn 1935 laurel
Cinnamomum dilleri Knowlton 1902 cinnamon
Cinnamomum acrodromum Potbury 1935 cinnamon
Laurophyllum fremontensis Berry 1930 laurel
Cryptocarya praesamarensis Sanborn 1935 laurel | |
Zamites californica MacGinitie 1941 |