Marble Canyon collection (Cambrian of Canada)

Where: British Columbia, Canada (51.2° N, 116.1° W: paleocoordinates 3.6° S, 79.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ehmaniella zone, Stephen Formation, Middle Cambrian (509.0 - 497.0 Ma)

• 25 to 35 m below the Stephen-Eldon contact

• group of beds-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone and lithified wackestone

• 25 to 35 m below the Stephen-Eldon contact

Size class: macrofossils

Preservation: soft parts, original calcite, original phosphate

Reposited in the ROM

Collection methods: surface (float), surface (in situ),

Primary reference: J. B. Caron, R. R. Gaines, C. Aria, M. G. Mángano, and M. Steng. 2014. A new phyllopod bed-like assemblage from the Burgess Shale of the Canadian Rockies. Nature Communications 5(3210):1-6 [S. Peters/S. Peters]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 171309: authorized by Shanan Peters, entered by Shanan Peters on 06.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Ptychopariida - Ptychopariidae
Elrathina cf. marginalis Rasetti 1951 trilobite
 Ptychopariida - Alokistocaridae
Ehmaniella sp. Resser 1937 trilobite
 Corynexochida - Dolichometopidae
Bathyuriscus sp. Meek 1873 trilobite
Artiopoda
 Agnostida - Peronopsidae
"Ptychagnostus cf. praecurrens" = Pentagnostus praecurrens, Itagnostus cf. interstrictus
"Ptychagnostus cf. praecurrens" = Pentagnostus praecurrens Westergård 1936
Bradoriida
 Bradoriida -
Bradoriida indet. Raymond 1935
Helcionelloida
 Helcionellida - Stenothecidae
"Mellopegma aff. georginense" = Mellopegma georginensis
"Mellopegma aff. georginense" = Mellopegma georginensis Runnegar and Jell 1976
Lingulata
 Lingulida - Eoobolidae
Eoobolus sp. Matthew 1902
 Acrotretida - Acrotretidae