Where: Yukon, Canada (63.9° N, 127.8° W: paleocoordinates 63.9° N, 127.8° W)
• coordinate based on political unit
When: Neoproterozoic (1000.0 - 541.0 Ma)
• Specimens from Map-unit 10b. The unit is overlain by a 150-200 m thick cliff-forming , buff weathering unit of dolostone and sandstone. Sekwi Brook
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified, ferruginous, gray lime mudstone and lithified limestone
•
•Group of beds: Dark grey, olive bronw weathering, evenly laminated ferruginous lime mudstone with scattered well rounded and frosted quartz grains 1-2mm across on bedding surface on which the species occurs.
Size class: macrofossils
Preservation: trace
Collection methods: surface (in situ),
Primary reference: H. J. Hofmann. 1981. First record of Late Proterozoic faunal assemblage in the North American Cordillera. Lethaia 14:303-310 [M. Patzkowsky/P. Borkow]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 10584: authorized by Mark Patzkowsky, entered by Phil Borkow on 25.05.2001
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Sekwi excentrica n. gen. n. sp., Problematicum sp. 1
Sekwi excentrica n. gen. n. sp. | |
|