Also known as P 1585, GSC loc. no. C-26314
Where: Northwest Territories, Canada (61.7° N, 125.9° W: paleocoordinates 7.0° N, 58.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Esbataottine Formation, Blackriveran (457.3 - 449.6 Ma)
• formation-level stratigraphic resolution
Environment/lithology: deep subtidal; argillaceous, silty limestone
Size classes: macrofossils, microfossils
Collection methods: Also includes leperditellid and oepikellid ostracods and bryozoans.
Primary reference: B. D. E. Chatterton and R. Ludvigsen. 1976. Silicified Middle Ordovician trilobites from the South Nahanni River Area, District of Mackenzie, Canada. Palaeontographica Abteilung A 154(1-3):1-106 [S. Holland/T. Hanson/T. Hanson]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 25931: authorized by Steven Holland, entered by Tori Hanson on 28.09.2002, edited by Melanie Hopkins
Creative Commons license: CC BY (attribution)
Taxonomic list
Strophomenata | |
Strophomena sp. Rafinesque and De Blainville 1824 | |
Ostracoda | |
Leperditella mundula ostracod | |
Oepikella cf. labrosa ostracod | |
Trilobita | |
Nanillaenus sp. Jaanusson 1954 trilobite
Nanillaenus mackenziensis Chatterton and Ludvigsen 1976 trilobite
Bumastoides sp. Whittington 1954 trilobite | |
Isotelus sp. Dekay 1824 trilobite
Isotelus parvirugosus Chatterton and Ludvigsen 1976 trilobite
Nahannia sp. Chatterton and Ludvigsen 1976 trilobite
Nahannia humilisulcata Chatterton and Ludvigsen 1976 trilobite | |
Ceraurinella nahanniensis Chatterton and Ludvigsen 1976 trilobite |