Where: Northwest Territories, Canada (68.0° N, 135.4° W: paleocoordinates 52.2° N, 58.8° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Murray Ridge Formation (Bug Creek Group), Sinemurian (199.3 - 190.8 Ma)
• collection from a 0.6 m thick recessive bed 2.5-3 m above base of the Jurassic; this overturned section was previously described by Jeletzky (1967), Sec. 24, p. 102-104, Pl. 6, fig. 1)
• bed-level stratigraphic resolution
Environment/lithology: marine; 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 34229: authorized by Arnold Miller, entered by Karen Layou on 22.08.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Pholadomya sp. Sowerby 1823 clam | |
? Meleagrinella sp. Whitfield 1855 scallop | |
Cephalopoda | |
Aegasteroceras (Arctoasteroceras) sp. Spath 1925 ammonite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail |