Southern Telkwa Range 1, Telkwa Formation (Jurassic of Canada)

Also known as Te 1

Where: British Columbia, Canada (54.4° N, 127.1° W: paleocoordinates 26.3° N, 69.5° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Telkwa Formation, Sinemurian (199.3 - 190.8 Ma)

• late Sinemurian, unit in the Harbledownense Assemblage, 20 meters above the base of the exposure

• bed-level stratigraphic resolution

Environment/lithology: marine; tuff and shelly/skeletal wackestone

• sparsly fossiliferous, micritic to bioclastic limestones both below and above the tuff

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 37519: authorized by John Alroy, entered by Erin Leckey on 16.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Echioceratidae
Paltechioceras cf. boehmi Hug 1899 ammonite