S11-3-86-CAA-T-2/1 Yakoun River, Graham Island (Jurassic of Canada)

Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 0.6° N, 127.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Sandilands Formation (Kunga Group), Late/Upper Sinemurian (196.5 - 189.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified limestone and lithified siltstone

• carbonate sample in thinly bedded siltstones interbedded with minor beds of grey siliceous tuff, lithic sandstone, and shale

Size class: microfossils

Primary reference: E. S. Carter, P. A. Whalen, and J. Guex. 1998. Biochronology and paleontology of Lower Jurassic (Hettangian and Sinemurian) radiolarians, Queen Charlotte Islands, British Columbia. Geological Survey of Canada Bulletin (496)1-162 [A. Miller/K. Layou/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94415: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.02.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Nassellaria - Syringocapsidae
Katroma irvingi
Katroma irvingi Carter et al. 1998 radiolarian
 Nassellaria - Ultranaporidae
? Jacus sandspitensis
? Jacus sandspitensis Pessagno et al. 1986 radiolarian