Where: British Columbia, Canada (54.6° N, 128.5° W: paleocoordinates 40.9° N, 71.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Smithers Formation (Hazelton Group), Bathonian to Bathonian (168.3 - 163.5 Ma)
• late Bathonian-early Callovian, layer is approx. 57 m above base of the section
• bed-level stratigraphic resolution
Environment/lithology: marine; shelly/skeletal siltstone and tuffaceous sandstone
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 37629: authorized by John Alroy, entered by Erin Leckey on 18.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Kepplerites ex gr. loganianus ammonite | |
Lilloettia cf. lilloetensis Crickmay 1930 ammonite |