Where: British Columbia, Canada (50.6° N, 127.5° W: paleocoordinates 0.1° N, 123.1° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Harbledown Formation, Sinemurian (196.5 - 189.6 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-NC-ND (attribution-noncommercial-no derivatives)