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 Unpublished BS Thesis 1-86 [M. Clapham/T. Wolfe]more details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 | |
"Lioceratoides (Pacificeras) sp." = Tiltoniceras, "Lioceratoides (Pacificeras) propinquum" = Tiltoniceras propinquum, Protogrammoceras (Protogrammoceras) sp., Protogrammoceras (Protogrammoceras) kurrianum, Lioceratoides (Lioceratoides) sp.
"Lioceratoides (Pacificeras) sp." = Tiltoniceras Buckman 1913 ammonite
"Lioceratoides (Pacificeras) propinquum" = Tiltoniceras propinquum Whiteaves 1884 ammonite
Protogrammoceras (Protogrammoceras) sp. Spath 1913 ammonite
Protogrammoceras (Protogrammoceras) kurrianum Oppel 1862 ammonite
Lioceratoides (Lioceratoides) sp. Spath 1919 ammonite |