Where: British Columbia, Canada (54.5° N, 120.7° W: paleocoordinates 25.3° N, 34.0° W)

• coordinate estimated from map

• local area-level geographic resolution

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

• Exact layer is unknown (holotype is from talus), but specimens come most likely from between 34 and 42 meters above the Paleozoic–Mesozoic contact (lower Smithian)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, black siltstone

Size class: macrofossils

Preservation: adpression

Collected by A.G. Neuman, D.B. Brinkman, E.L. Nicholls in 1986, 1988, 1989, 1991, 1995, and in 2001

• Specimens at University of Alberta

Primary reference: R. J. Mutter and A. G. Neuman. 2006. An enigmatic chondrichthyan with Paleozoic affinities from the Lower Triassic of western Canada. Acta Palaeontologica Polonica 51(2):271-282 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119095: authorized by Matthew Clapham, entered by Matthew Clapham on 21.10.2011

Creative Commons license: CC BY (attribution)