GSC 36732, Mystery Lake (Triassic of Canada)

Where: Alberta, Canada (53.1° N, 117.7° W: paleocoordinates 23.2° N, 33.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: romunderi ammonoid zone, Sulfur Mountain Formation, Smithian (251.3 - 247.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.W. Mountjoy in 1957 or 1958; reposited in the GSC

Primary reference: E. T. Tozer. 1994. Canadian Triassic Ammonoid Faunas. Geological Survey of Canada Bulletin 467:1-663 [A. McGowan/A. McGowan/A. McGowan]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137242: authorized by Matthew Clapham, entered by Matthew Clapham on 13.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Arctoceratidae
Arctoceras blomstrandi Lindström 1865 ceratite
 Ceratitida - Flemingitidae
Euflemingites cirratus White 1879 ceratite