Where: British Columbia, Canada (54.4° N, 120.4° W: paleocoordinates 55.9° N, 63.8° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Commotion Formation, Early/Lower Cretaceous (145.0 - 100.5 Ma)
Environment/lithology: terrestrial
Size class: macrofossils
Preservation: mold/impression, adpression, original carbon
Collection methods: For further modifications, see Crabtree, D.R. 1987. Angiosperms of the Northern Rocky Mountains: Albian to Campanian (Cretaceous) Megafossil floras. Ann. Missouri Bot. Gard. 74: 707-747.
Primary reference: G.B. Mellon, J.H. Hall, and C.R. Stelck. 1963. Lower Cretaceous Section, Belcourt Ridge, Northeastern British Columbia. Bulletin of Canadian Petroleum Geology 11:64-72 [B. Tiffney/J. Fosdick/J. Fosdick]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 31338: authorized by Bruce Tiffney, entered by Julia Fosdick on 07.05.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Ginkgoopsida | |
Sagenopteris williamsii Bell 1956 | |
Cycadopsida | |
Gnetopsida | |
"Pityophyllum nordenskjoldii" = Pityophyllum nordenskioeldi
"Pityophyllum nordenskjoldii" = Pityophyllum nordenskioeldi Heer 1899 | |
Pinopsida | |
Elatides curvifolia Dunker 1846 yew |