GSC 68363, Boiler Canyon (Triassic of Canada)

Where: British Columbia, Canada (59.3° N, 125.4° W: paleocoordinates 30.5° N, 40.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: sutherlandi ammonoid zone, Toad Formation, Julian (235.0 - 232.0 Ma)

• subzone 2 ((placed in Ladinian by Tozer, but sutherlandi zone spans Ladinian-Carnian boundary and D. canadensis is marker for base of Carnian)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.T. Tozer in 1965; reposited in the GSC

Collection methods: surface (float)

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 139045: authorized by Matthew Clapham, entered by Matthew Clapham on 07.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Nathorstitidae
Nathorstites macconnelli Whiteaves 1889 ceratite
 Ceratitida - Trachyceratidae
Daxatina canadensis, "Zestoceras cerastes n. gen. n. sp." = Zestoceras barwicki
Daxatina canadensis Whiteaves 1889 ceratite
"Zestoceras cerastes n. gen. n. sp." = Zestoceras barwicki Johnson 1941 ceratite