GSC 41483, Kingak Fm, Barn Mts. area, northern Yukon (Jurassic of Canada)

Where: Yukon, Canada (68.6° N, 138.3° W: paleocoordinates 66.1° N, 53.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Kingak Formation, Aalenian (174.1 - 170.3 Ma)

Environment/lithology: marine; sandstone and shale

• Table 1 gives broad lithological descriptions for formations in the study area. During the Aalenian, the Kingak is predominantly sandstone, otherwise it is 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 34186: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pterioida -
"Inoceramus (Mytiloceramus) cf. polyplocus" = Mytiloceramus polyplocus
"Inoceramus (Mytiloceramus) cf. polyplocus" = Mytiloceramus polyplocus Roemer 1857 clam
Cephalopoda
 Ammonitida - Hildoceratidae
 Ammonitida - Hammatoceratidae
"Planammatoceras (? Pseudaptetoceras) sp." = Pseudaptetoceras G├ęczy 1966 ammonite
? Erycitoides sp. Westermann 1964 ammonite