USNM locality 58k. Upper part of formation. Mt. Stephen (Cambrian of Canada)

Also known as Yoho National Park

Where: British Columbia, Canada (51.4° N, 116.4° W: paleocoordinates 3.7° S, 80.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Mt. Whyte Formation, Delamaran (511.2 - 506.5 Ma)

• Delamaran; I converted it to Solvan

• bed-level stratigraphic resolution

Environment/lithology: lithified, gray limestone

• dark gray crystalline limestone

Size class: macrofossils

Primary reference: G. Geyer. 1994. Middle Cambrian mollusks from Idaho and early conchiferan evolution. New York State Museum Bulletin 481(1):69-86 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 50544: authorized by Pete Wagner, entered by Pete Wagner on 17.05.2005, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Hyolitha
 Hyolithida - Sulcavitidae
"Hyolithes billingsi" = Linevitus billingsi3
"Hyolithes billingsi" = Linevitus billingsi3 Walcott 1886
Lingulata
 Acrotretida - Acrotretidae
Acrotreta sagittalis3 Salter 1865
Acrotreta sagittalis taconica
Helcionelloida
 Helcionellida - Coreospiridae
Coreospira walcotti n. sp.1 Knight 1947
 Helcionellida - Helcionellidae
Helcionella elongata3, "Parmophorella sp." = Ilsanella3
"Parmophorella sp." = Ilsanella3 Missarzhevsky 1981
Tergomya
 Tryblidiida - Protoconchoididae
"Scenella varians" = Protoconchioides varians3 Walcott 1886
Trilobita
  - Antagmidae
"Ptychoparia thia" = Onchocephalus thia3
"Ptychoparia thia" = Onchocephalus thia3 Walcott 1917 trilobite
 Ptychopariida - Ptychopariidae
Ptychoparia "pygidia"3 Corda 1847 trilobite
 Ptychopariida - Alokistocaridae
"Olenopsis agnesensis" = Amecephalus agnesensis3, Alokistocare stephenensis n. sp.2
"Olenopsis agnesensis" = Amecephalus agnesensis3 Walcott 1912 trilobite
Alokistocare stephenensis n. sp.2 Resser 1935 trilobite
 Corynexochida - Dolichometopidae
Bathyuriscus (Poliella) primus3 Walcott 1908 trilobite
 Corynexochida - Zacanthoididae
"Kochaspis celer" = Fieldaspis celer2, "Crepicephalus celer" = Fieldaspis celer3
"Kochaspis celer" = Fieldaspis celer2 Walcott 1917 trilobite
"Crepicephalus celer" = Fieldaspis celer3 Walcott 1917 trilobite