Where: British Columbia, Canada (56.7° N, 127.3° W: paleocoordinates 41.5° N, 70.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Smithers Formation, Bajocian (170.3 - 168.3 Ma)
• late Bajocian, there is no indication of the stratigraphic relationship of these fossils to the fossil bed in collection 37603, description reads "Elsewhere in the section, in which ammonites occur only sparsely, poorly preserved sonninids and stephanoceratids were found."
• bed-level stratigraphic resolution
Environment/lithology: marine; tuff and fine-grained siliciclastic
Size class: macrofossils
Primary reference: J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 37604: authorized by John Alroy, entered by Erin Leckey on 18.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Cephalopoda | |
Stephanoceratidae indet. Neumayr 1875 ammonite |