Where: Yukon, Canada (65.9° N, 135.7° W: paleocoordinates 7.3° N, 58.7° W)
When: Staurograptus dichotomus graptolite zone, Lower Road River Formation (Road River Group), Tremadoc (486.5 - 477.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: black, cherty/siliceous shale
Size class: macrofossils
Primary reference: D. E. Jackson and A. C. Lenz. 2003. Taxonomic and biostratigraphical significance of the Tremadoc graptolite fauna from northern Yukon Territory, Canada. Geological Magazine 140(2):131-156 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 203944: authorized by Pete Wagner, entered by Pete Wagner on 28.08.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
Chigraptus supinus Jackson and Lenz 1999 graptolite
Staurograptus cf. dichotomus Emmons 1855 graptolite |