Island of Montreal (Ordovician of Canada)
Where: Quebec, Canada (45.5° N, 73.7° W: paleocoordinates 26.2° S, 51.4° W)
• local area-level geographic resolution
When: Nemagraptus gracilis zone, Aylmer Formation, Sandbian (458.4 - 453.0 Ma)
Environment/lithology: limestone
Size classes: macrofossils, mesofossils
Primary reference: E. Billings. 1859. On the Crinoideae of the Lower Silurian rocks of Canada. Canadian Organic Remains, Decade 4 1-72 [G. Webster/G. Webster]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 182450: authorized by William Ausich, entered by Lena Cole on 28.10.2016
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Crinoidea | |
|
Palaeocrinus striatus Sea lily | |
|
Hybocrinus pristinus Billings 1858 Sea lily | |
|
Blastoidocrinus carchariaedens Billings 1859 | |