Whitehorse Trough, Atlin Lake, GSC Locality C-203204 (Jurassic of Canada)

Also known as Field No. GGAJ-92-08-FD

Where: British Columbia, Canada (59.3° N, 133.8° W: paleocoordinates 31.1° N, 74.8° W)

• coordinate stated in text

When: Arnouldi ammonoid zone, Inklin Formation (Laberge Group), Early/Lower Sinemurian (196.5 - 189.6 Ma)

Environment/lithology: submarine fan; poorly lithified, coarse-grained, sandy sandstone and volcaniclastic

Size class: macrofossils

Primary reference: G. G. Johannson. 1994. Provenance Constraints on Early Jurassic Evolution of the Northern Stikinian Arc: Laberge Group, Whitehorse Trough, Northwestern British Columbia. [J. Pálfy/E. Kovács]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 198432: authorized by Adam Kocsis, entered by Danijela Dimitrijevic on 16.12.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Arietitidae
Arnioceras cf. arnouldi Dumortier 1867 ammonite
Arnioceras cf. miserabile Quendstedt 1858 ammonite