GSC 86821, Kingak Fm, Bonnet Lake area, northern Yukon (Jurassic of Canada)

Where: Yukon, Canada (68.3° N, 137.8° W: paleocoordinates 64.0° N, 52.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kingak Formation, Toarcian (182.7 - 174.1 Ma)

• Falcifer Zone

Environment/lithology: marine; shale and siltstone

• Table 1 gives broad lithologic descriptions for the formations of the study area. The Kingak Fm is predominantly shale and siltstone.

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (float),

Primary reference: T.P. Poulton. 1991. Hettangian through Aalenian (Jurassic) guide fossils and biostratigraphy, Northern Yukon and adjacent Northwest Territories. Geological Survey of Canada Bulletin (410)1-95 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 34198: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Hildoceratidae
"Harpoceras aff. exaratum" = Eleganticeras exaratum
"Harpoceras aff. exaratum" = Eleganticeras exaratum Young and Bird 1828 ammonite
 Ammonitida - Dactylioceratidae
Dactylioceras commune
Dactylioceras commune Sowerby 1815 ammonite