GSC 68236, Boiler Canyon, Liard River (Triassic of Canada)

Where: British Columbia, Canada (59.3° N, 125.4° W: paleocoordinates 28.0° N, 37.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: maclearni ammonoid zone, Toad Formation, Longobardian (242.0 - 235.0 Ma)

• subzone 3

• 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 138616: authorized by Matthew Clapham, entered by Matthew Clapham on 22.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Nathorstitidae
Nathorstites maclearni Tozer 1994 ceratite
 Ceratitida - Gymnitidae
Gymnites sp. Mojsisovics 1882 ceratite
 Ceratitida - Lobitidae
Lobites pacianus McLearn 1937 ceratite
 Ceratitida - Megaphyllitidae
Nitanoceras compressum Tozer 1994 ceratite
 Ceratitida - Trachyceratidae
Otoarpadites auritus n. gen. n. sp. Tozer 1994 ceratite
Protrachyceras sikanianum McLearn 1930 ceratite
Zestoceras nitidum n. sp. Tozer 1994 ceratite
Asklepioceras exilis n. sp. Tozer 1994 ceratite
Asklepioceras altilis n. sp. Tozer 1994 ceratite
Anolcites anguinus n. sp. Tozer 1994 ceratite
Maclearnoceras ensio n. sp. Tozer 1994 ceratite
 Ceratitida - Hungaritidae
Hungarites inermis n. sp. Tozer 1994 ceratite
 Phylloceratida - Ussuritidae
Monophyllites aonis Mojsisovics 1882 ammonite