GSC 10695, Alaska Highway (Triassic to of Canada)

Where: British Columbia, Canada (58.7° N, 124.3° W: paleocoordinates 28.4° N, 34.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Toad Formation, Bithynian to Bithynian (247.2 - 242.0 Ma)

• Middle and Upper Anisian, mixed collection

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by F.H. McLearn in 1944; reposited in the GSC

Collection methods: surface (float)

Primary reference: F. H. McLearn. 1969. Middle Triassic (Anisian) ammonoids from northeastern British Columbia and Ellesmere Island. Geological Survey of Canada Bulletin 170:1-90 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137066: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Gymnitidae
Anagymnites viaalaska McLearn 1946 ceratite
 Ceratitida - Parapopanoceratidae
"Parapopanoceras tetsa n. sp." = Amphipopanoceras tetsa
"Parapopanoceras tetsa n. sp." = Amphipopanoceras tetsa McLearn 1946 ceratite
 Ceratitida - Beyrichitidae
"Gymnotoceras deleeni" = Eogymnotoceras deleeni
"Gymnotoceras deleeni" = Eogymnotoceras deleeni McLearn 1946 ceratite
 Ceratitida - Longobarditidae
Intornites canadensis McLearn 1946 ceratite
Part of Longobardites nevadanus in McLearn, 1969
Intornites intornatus McLearn 1946 ceratite