Silliman's Fossil Mount Graptolites (Ordovician to of Canada)
Where: Nunavut, Canada (63.7° N, 69.0° W: paleocoordinates 10.1° S, 38.8° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Trentonian to Trentonian (457.3 - 445.5 Ma)
Environment/lithology: dolomitic limestone and calcareous shale
• Environmental call by T. Hanson.
• "Throughout the Mount, the top 50 feet of these beds consists of massive dolomite limestone, the next 75 feet of thin-bedded limestone and dolomite, and the lower 175 feet of calcareous shale with some interbedded limestone."
Size class: macrofossils
Primary reference: A. K. Miller, W. Youngquist, and C. Collinson. 1954. Ordovician cephalopod fauna of Baffin Island. Geological Society of America Memoir 62:1-234 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 24117: authorized by Steven Holland, entered by Tori Hanson on 31.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
• From Schuchert 1914 and Cox 1933a.
Show authors, comments, and common names
| Pterobranchia | |
"Climacograptus bicornis" = Climacograptus (Climacograptus) bicornis
"Climacograptus bicornis" = Climacograptus (Climacograptus) bicornis Hall 1847 climacograptid | |
"Climacograptus inuiti" = Anticostia lata
"Climacograptus inuiti" = Anticostia lata Elles and Wood 1906 graptolite | |