Liard River, 30 miles below Devil's Portage (Triassic of Canada)

Where: British Columbia, Canada (59.3° N, 125.3° W: paleocoordinates 30.4° N, 40.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• subzone 2

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by R.G. McConnell in 1887; reposited in the GSC

Primary reference: J. F. Whiteaves. 1889. On some fossils from the Triassic rocks of British Columbia. Geological Survey of Canada, Contributions to Canadian Palaeontology 1:127-149 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 137390: authorized by Matthew Clapham, entered by Matthew Clapham on 15.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Nathorstitidae
"Popanoceras mcconnelli n. sp." = Nathorstites macconnelli
"Popanoceras mcconnelli n. sp." = Nathorstites macconnelli Whiteaves 1889 ceratite