Sikanni Chief River (Triassic of Canada)

Where: British Columbia, Canada (57.3° N, 123.0° W: paleocoordinates 35.2° N, 53.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Epigondolella postera conodont zone, Pardonet Formation, Alaunian (215.6 - 212.0 Ma)

• Also listed: "Mesohemavatites columbianus ammonite zone, middle Norian, Upper Triassic"

Environment/lithology: deep subtidal shelf; lithified, silty, carbonaceous limestone and lithified, condensed, black, calcareous shale

Size class: macrofossils

Collected in the mid-1990s; reposited in the TMP

Collection methods: quarrying,

Primary reference: E. L. Nicholls and M. Manabe. 2004. Giant ichthyosaurs of the Triassic - a new species of Shonisaurus from the Pardonet Formation (Norian: Late Triassic) of British Columbia. Journal of Vertebrate Paleontology 24(4):838-849 [M. Carrano/H. Street]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 97843: authorized by Matthew Carrano, entered by Hallie Street on 31.08.2010, edited by Matthew Clapham

Creative Commons license: CC BY (attribution)

Taxonomic list

Coelacanthimorpha
 Coelacanthiformes - Mawsoniidae
Garnbergia cf. ommata Martin and Wenz 1984 coelacanth
Reptilia
 Ichthyosauria -
Macgowania sp. Motani 1999 ichthyosaur
TMP 98.77.7
 Ichthyosauria - Californosauridae
Callawayia sp. Maisch and Matzke 2000 ichthyosaur
TMP 99.60.1, TMP 99.60.22
 Ichthyosauria - Shastasauridae
"Shonisaurus sikanniensis" = Shastasaurus sikkaniensis
"Shonisaurus sikanniensis" = Shastasaurus sikkaniensis Nicholls and Manabe 2004 ichthyosaur
Bivalvia
 Lucinida - Mactromyidae
Unicardium sp. d'Orbigny 1850 clam
 Ostreida - Halobiidae
Halobia sp. Bronn 1830 oyster
Cephalopoda
 Ceratitida - Tibetitidae
Mesohimavatites columbianus McLearn 1939 ceratite