GSC 88278, Almstrom Creek Fm, Porcupine River, northern Yukon (Jurassic of Canada)

Where: Yukon, Canada (67.4° N, 138.5° W: paleocoordinates 55.5° N, 59.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Almstrom Creek Formation, Pliensbachian (190.8 - 182.7 Ma)

Environment/lithology: marine; sandstone

• Table 1 gives broad lithologic descriptions of the formations within the study area. The Almstrom Creek Fm is predominantly sandstone.

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 34203: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Cephalopoda
 Ammonitida - Amaltheidae
Amaltheus bifurcus Howarth 1958 ammonite
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797