GSC 68300, Mount Ludington (Triassic of Canada)

Where: British Columbia, Canada (56.5° N, 123.7° W: paleocoordinates 35.6° N, 54.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: cordilleranus ammonoid zone, Pardonet Formation, Sevatian (212.0 - 205.6 Ma)

• subzone 1

• 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. 1979. Latest Triassic ammonoid faunas and biochronology, western Canada. Current Research, Part B. Geological Survey of Canada Paper 79-1B:127-135 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139034: authorized by Matthew Clapham, entered by Matthew Clapham on 07.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Rhabdoceratidae
Peripleurites roemeri Mojsisovics 1893 ceratite
Rhabdoceras suessi Hauer 1860 ceratite
 Ceratitida - Thetiditidae
Nassichukites dimidiatus n. sp. Tozer 1979 ceratite
 Ceratitida - Haloritidae
Gnomohalorites cordilleranus n. sp. Tozer 1979 ceratite
Paraguembelites inflatus n. sp. Tozer 1994 ceratite
Paraguembelites ludingtoni Tozer 1979 ceratite
 Ceratitida - Metasibiritidae
Metasibirites columbianus n. sp. Tozer 1979 ceratite
 Phylloceratida - Discophyllitidae
Tragorhacoceras occultum von Mojsisovics 1873 ammonite