GSC 68208, Mount McLearn (Triassic of Canada)

Where: British Columbia, Canada (59.1° N, 125.4° W: paleocoordinates 34.1° N, 46.0° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: dilleri ammonoid zone, Ludington Formation, Tuvalian (232.0 - 221.5 Ma)

• 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

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 138602: authorized by Matthew Clapham, entered by Matthew Clapham on 22.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Klamathitidae
Parahauerites sp. Diener 1916 ceratite
 Ceratitida - Trachyceratidae
Trachystenoceras gabbi Hyatt and Smith 1905 ceratite
Spirogmoceras shastense Smith 1904 ceratite
 Ceratitida - Tropitidae
Tropites dilleri Smith 1904 ceratite
Pleurotropites gabbi Smith 1927 ceratite
Pleurotropites gracilis Smith 1927 ceratite
Paratropites sulfurensis n. sp. Tozer 1994 ceratite
Discotropites sandlingensis Hauer 1849 ceratite