Mt. Field Section 28, bed W28ef (Cambrian of Canada)

Where: British Columbia, Canada (51.5° N, 116.5° W: paleocoordinates 3.3° S, 79.4° W)

• outcrop-level geographic resolution

When: Mt. Whyte Formation, Solvan (510.2 - 504.5 Ma)

• Plagiura - Kochaspis zone

• bed-level stratigraphic resolution

Environment/lithology: lithified, black, gray limestone

• finely crystalline, hard, black-gray, in beds 1-3 inches thick;

Size class: macrofossils

Primary reference: F. Rasetti. 1957. Additional fossils from the Middle Cambrian Mt. Whyte Formation of the Canadian Rocky Mountains. Journal of Paleontology 31(5):955-972 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56704: authorized by Pete Wagner, entered by Pete Wagner on 22.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Tergomya
 Tryblidiida - Protoconchoididae
Stenothecoida
 Cambridioida - Cambridiidae
Trilobita
 Ptychopariida -
"Schistometopus convexus" = Hadrocephalites convexus
"Schistometopus convexus" = Hadrocephalites convexus Rasetti 1951 trilobite
 Ptychopariida - Ptychopariidae
"Kochaspis eiffelensis" = Kochiella eiffelensis Rasetti 1951 trilobite
Plagiura cercops Walcott 1917 trilobite
Poulsenia columbiensis n. sp. trilobite
 Ptychopariida - Alokistocaridae
"Alokistocare cleora" = Amecephalus cleora
"Alokistocare cleora" = Amecephalus cleora Walcott 1917 trilobite
  - Antagmidae
Onchocephalus maior Rasetti 1951 trilobite
 Corynexochida - Zacanthoididae
Fieldaspis superba Rasetti 1951 trilobite