Where: Yukon, Canada (67.5° N, 136.5° W: paleocoordinates 36.8° N, 22.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Yakovlevia brachiopod zone, Sakmarian (293.5 - 290.1 Ma)
• Unnamed carbonate unit, 323 feet above angular unconformity that marks the top of the Devonian
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siltstone
Size class: macrofossils
Primary reference: W. W. Nassichuk, W. M. Furnish, and B. F. Glenister. 1965. The Permian ammonoids of Arctic Canada. Geological Survey of Canada Bulletin 131:1-56 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 115714: authorized by Matthew Clapham, entered by Matthew Clapham on 03.09.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Metalegoceras crenatum n. sp.
Metalegoceras crenatum n. sp. Nassichuk et al. 1965 ammonite | |
Rhynchonellata | |
Spiriferella saranae2 de Verneuil 1845 | |
Strophomenata | |
Yakovlevia transversa1 Cooper 1957 |