Where: Yukon, Canada (65.3° N, 133.5° W: paleocoordinates 13.4° N, 52.8° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Road River Formation, Alexandrian (443.4 - 436.0 Ma)
• Lowest Silurian
• formation-level stratigraphic resolution
Environment/lithology: shale and calcareous shale
Size classes: macrofossils, mesofossils
Primary reference: A. C. Lenz and M. Churkin, Jr. 1966. Upper Ordovician trilobites from Northern Yukon. Palaeontology 9(1):39-47 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 25168: authorized by Steven Holland, entered by Tori Hanson on 31.08.2002, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
"Climacograptus normalis" = Normalograptus normalis
"Climacograptus normalis" = Normalograptus normalis Lapworth 1877 graptolite Climacograptus scalaris var. normalis
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