Rink Rapids, Lewes River (Jurassic of Canada)

Where: Yukon, Canada (60.3° N, 136.5° W: paleocoordinates 24.4° N, 76.1° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cranocephalites borealis ammonoid zone, Late/Upper Bajocian (171.6 - 167.7 Ma)

• Witchellia borealis = Cranocephalites borealis. Upper Bajocian according to Callomon 1959 "The Ammonite Zones of the Middle Jurassic Beds of East Greenland".

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the GSC

Primary reference: C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164636: authorized by Matthew Clapham, entered by Marko Manojlovic on 08.12.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Discinidae
"Discina pileolus n. sp." = Orbiculoidea pileolus
"Discina pileolus n. sp." = Orbiculoidea pileolus Whiteaves 1889