Where: Northwest Territories, Canada (72.8° N, 121.5° W: paleocoordinates 71.8° N, 47.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Beudanticeras affine ammonoid zone, Christopher Formation, Middle Albian (109.0 - 105.3 Ma)
• STRATIGRAPHIC RELATIONS: From an unknown unit, for which lithostratigraphic relations are not discussed. AGE: Middle Albian, on the basis of ammonite biostratigraphy. STRATIGRAPHIC POSITION: From the unknown position within local section. PJW: Christopher formation based on Macrostrat.
• bed-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Preservation: cast, mold/impression
Reposited in the GSC
Collection methods: surface (in situ),
• COLLECTOR: Not stated in text. REPOSITORY: Geological Survey of Canada (GSC).
Primary reference: J. A. Jeletzky. 1980. New or formerly poorly known, biochronologically and paleobiogeographically important gastroplitinid and cleoniceratinid (Ammonitida) taxa from Middle Albian rocks of mid-western and Arctic Canada. Geological Survey of Canada Paper 79(22):1-63 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 87628: authorized by Austin Hendy, entered by Austin Hendy on 22.03.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Cephalopoda | |
"Beudanticeras (Grantziceras) cf. affine" = Grantziceras affine
"Beudanticeras (Grantziceras) cf. affine" = Grantziceras affine Whiteaves 1892 ammonite | |
? Arcthoplites sp., "Cleoniceras (Grycia) whittingtoni" = Grycia whittingtoni
? Arcthoplites sp. ammonite
"Cleoniceras (Grycia) whittingtoni" = Grycia whittingtoni Imlay 1961 ammonite | |
Pseudopulchellia imlayi ammonite
Pseudogastroplites arcticus Jeletzky 1980 ammonite |