GSC 13087, Bonneville Lakes, Whitehorse (Jurassic of Canada)

Where: Yukon, Canada (60.7° N, 135.4° W)

• Paleocoordinates: 39.2° N, 52.7° W (Wright 2013)

• coordinate estimated from map

• small collection-level geographic resolution

When: Carlottense ammonoid zone, Laberge Group, Spinatum (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: submarine fan; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by W. E. Cockfield in 1946; reposited in the GSC

Primary reference: M. E. Clapham. 2000. Lower to Middle Jurassic Stratigraphy and Ammonite Fauna of the Northern Whitehorse Trough, Yukon, Canada. Unpublished BS Thesis 1-86 [M. Clapham/T. Wolfe]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114579: authorized by Matthew Clapham, entered by Trisha Wolfe on 17.08.2011

Creative Commons license: CC0 (CC0)

Taxonomic list

Cephalopoda
 Ammonitida - Hildoceratidae
"Lioceratoides (Pacificeras) sp." = Tiltoniceras Buckman 1913 ammonite
"Lioceratoides (Pacificeras) propinquum" = Tiltoniceras propinquum Whiteaves 1884 ammonite