Where: Northwest Territories, Canada (68.0° N, 136.4° W: paleocoordinates 50.1° N, 60.5° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Hettangian (201.3 - 199.3 Ma)
• only strat info given is "Basal member". This unit does not appear in Table 1. Based on identical locality descriptions previously given in the text, this is probably the basal unit of the Murray Ridge Fm, which is the basal formation within the Bug Creek Group.
Environment/lithology: marine; sandstone 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 34185: authorized by Arnold Miller, entered by Karen Layou on 21.08.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
Seirocrinus sp. Gislen 1924 Sea lily | |
Rhynchonellata | |
Rhynchonellida indet. Kuhn 1949 | |
Gastropoda | |
Pleurotomaria sp. Defrance 1826 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
"Corbicula" sp. Megerle 1811 clam | |
? Thracia sp. Blainville 1824 clam | |
? Gryphaea sp. Lamarck 1801 oyster | |
? Entolium sp. Meek 1865 scallop | |
? Lima sp. Bruguière 1797 file clam | |
? Oxytoma sp. Meek and Hayden 1865 scallop | |
Harpax sp. Parkinson 1811 scallop | |
Kolymonectes staeschei Polubotko 1968 scallop | |
? Eopecten sp. Douvillé 1897 scallop |