Where: Northwest Territories, Canada (64.0° N, 83.7° W: paleocoordinates 5.6° S, 43.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Red Head Rapids Formation, Richmondian (449.6 - 445.5 Ma)
• Collection taken from about 5.4 m above base of section.
• formation-level stratigraphic resolution
Environment/lithology: dolomite and limestone
Size classes: macrofossils, microfossils
Reposited in the GSC
Collection methods: chemical, sieve,
• Dissolved sample mass 3800 g. Graptolites and trilobites identified by Nelson and Johnson from rubble south of the mouth of Sixteen Mile Brook.
Primary reference: A. D. McCracken and G. S. Nowlan. 1989. Conodont paleontology and biostratigraphy of Ordovician carbonates and petroliferous carbonates on Southampton, Baffin, and Akpatok islands in the eastern Canadian Arctic. Canadian Journal of Earth Sciences 26(10):1880-1903 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 26097: authorized by Steven Holland, entered by Tori Hanson on 03.10.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Pterobranchia | |
Amplexograptus sp. graptolite | |
Conodonta | |
? Paroistodus sp. Lindström 1971 conodont
Drepanoistodus suberectus Branson and Mehl 1933 conodont | |
Belodina aff. stonei, Plegagnathus nelsoni, ? Panderodus gibber, ? Panderodus aff. liratus, Panderodus spp., Panderodus gracilis, Panderodus cf. feulneri, ? Pseudobelodina dispansa, Pseudobelodina vulgaris
Belodina aff. stonei conodont
Plegagnathus nelsoni conodont
? Panderodus gibber conodont
? Panderodus aff. liratus conodont
Panderodus spp. Ethington 1959 conodont
Panderodus gracilis Branson and Mehl 1933 conodont
Panderodus cf. feulneri Glenister 1957 conodont
? Pseudobelodina dispansa Glenister 1957 conodont | |
Besselodus borealis Nowlan et al. 1988 conodont | |
Coelocerodontus trigonius Ethington 1959 conodont
Walliserodus ? amplissimus Serpagli 1967 conodont | |
Amorphognathus ordovicicus Bergström and Bergström 1996 conodont | |
Pseudooneotodus aff. beckmanni Bischoff and Sannemann 1958 conodont | |
Periodon grandis Ethington 1959 conodont | |
Trilobita | |
Pseudogygites cf. atimarginatus trilobite |