ammonites
Hart Ranges (Triassic of Canada)

Where: British Columbia, Canada (54.9° N, 122.4° W: paleocoordinates 20.9° N, 48.5° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Vega-Phroso Member (Sulphur Mountain Formation), Smithian (251.3 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, brown, gray, calcareous siltstone

• Dark gray to brownish-gray calcareous siltstone

Size class: macrofossils

Preservation: adpression

Collected in 2007

• Repository: Peace Region Palaeontology Research Centre, Tumbler Ridge, British Columbia, Canada.

Primary reference: A. J. Wendruff and M. V. H. Wilson. 2012. A fork-tailed coelacanth, Rebellatrix divaricerca, gen. et sp. nov. (Actinistia, Rebellatricidae, fam. nov.), from the Lower Triassic of western Canada. Journal of Vertebrate Paleontology 32:499-511 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 127262: authorized by Matthew Clapham, entered by Matthew Clapham on 05.05.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)