Where: British Columbia, Canada (50.6° N, 127.5° W: paleocoordinates 0.5° S, 123.2° W)
• coordinate based on political unit
• outcrop-level geographic resolution
When: Harbledown Formation, Sinemurian (199.3 - 190.8 Ma)
• early-late Sinemurian, tuff layer in the Harbledown
• bed-level stratigraphic resolution
Environment/lithology: marine; shale
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 37496: authorized by John Alroy, entered by Erin Leckey on 15.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Arnioceras cf. arnouldi Dumortier 1867 ammonite |