GSC 39368, Kingak Fm, north of Bonnet Lake, northern Yukon (Jurassic of Canada)

Where: Yukon, Canada (68.3° N, 137.7° W: paleocoordinates 60.5° N, 53.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kingak Formation, Pliensbachian (190.8 - 182.7 Ma)

Environment/lithology: marine; shale and siltstone

• Table 1 of the text gives broad lithological descriptions of formations in the study area. The Kingak Formation is predominantly shale and siltstone.

Size class: macrofossils

Reposited in the GSC

Collection methods: surface (in situ),

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 34183: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Plicatulidae
? Plicatula sp. Lamarck 1801 scallop
 Ostreida - Gryphaeidae
Gryphaea sp. Lamarck 1801 oyster
 Ostreida -
 Pholadida - Corbulidae
? Corbula sp. Bruguière 1789 clam
Cephalopoda
 Belemnitida - Belemnotheutidae
"Belemnoteuthis sp." = Acanthoteuthis
"Belemnoteuthis sp." = Acanthoteuthis Wagner in Munster 1839 belemnite
 Ammonitida - Amaltheidae
? Pleuroceras sp. Hyatt 1868 ammonite
Amaltheus stokesi Sowerby 1818 ammonite
Amaltheus bifurcus Howarth 1958 ammonite
Crinoidea
 Isocrinida - Pentacrinitidae