Kobayashi 19. 8173. Goodsir No. 57/4. North end, Steamboat Mountain, east slope (Ordovician of Canada)

Where: British Columbia, Canada (50.8° N, 116.3° W: paleocoordinates 2.8° S, 73.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Iapetognathus fluctivagus conodont zone, Putty Shale Member (Survey Peak Formation), Gasconadian (485.4 - 477.7 Ma)

• Symphysurina bulbosa zone, = Garden City formation A-C. Was McKay Group Unit E

• group of beds-level stratigraphic resolution

Environment/lithology: gray, blue limestone

• Alternations of bluish-gray or blue limestones and shales, 1565 feet thick; numerous limestone beds are intraformational conglomerates.

Size class: macrofossils

Reposited in the GSC

Primary reference: T. Kobayashi. 1955. The Ordovician fossils from the McKay group in British Columbia, western Canada, with a note on the early Ordovician palaeogeography. Journal of the Faculty of Science, the Imperial University of Tokyo, Section 2 9(3):355-492 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 50165: authorized by Pete Wagner, entered by Pete Wagner on 09.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Bellerophontida - Tropidodiscidae
Eobucania pulchra n. gen. n. sp.
Eobucania pulchra n. gen. n. sp. Kobayashi 1955 snail
Trilobita
 Asaphida - Nileidae
Symphysurina "sp. a" Ulrich 1924 trilobite
Symphysurina "sp. b" Ulrich 1924 trilobite
 Olenida - Olenidae
"Jujuyaspis borealis" = Jujuyaspis borealis, "Sphaerophthalmella inexpectans" = Jujuyaspis borealis, Parabolinella bisulcatus
"Jujuyaspis borealis" = Jujuyaspis borealis Kobayashi 1955 trilobite
"Sphaerophthalmella inexpectans" = Jujuyaspis borealis Kobayashi 1955 trilobite
 Redlichiida -