Where: Nunavut, Canada (64.9° N, 98.7° W: paleocoordinates 0.8° S, 47.4° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Conodont Fauna 12 conodont zone, Aberdeen Lake Formation, Richmondian (449.5 - 443.7 Ma)
• "U. Ord. (prob. Richmondian). Aberdeen Lake Fm. Outlier"
• formation-level stratigraphic resolution
Environment/lithology: marine; gray limestone
Size classes: macrofossils, mesofossils
Collected by M.R. Michaud in 1977; reposited in the GSC
Primary reference: T. E. Bolton and G. S. Nowlan. 1979. A Late Ordovician fossil assemblage from an outlier north of Aberdeen Lake, District of Keewatin. Geological Survey of Canada Bulletin 321:1-26 [P. Wagner/P. Wagner/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 169387: authorized by Pete Wagner, entered by Pete Wagner on 22.05.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Chlorophyceae | |
Cyclocrinites sp. Stolley 1898 | |
Stromatoporoidea | |
Cystostroma sp. Galloway and St Jean 1957 stromatoporoid sponge | |
Anthozoa | |
Palaeophyllum raduguini horn coral | |
Bighornia bottei horn coral
Lobocorallium sp. Nelson 1963 horn coral
Deiracorallium giganteum horn coral | |
Troedssonites flexibilis tabulate coral | |
Catenipora sp. Lamarck 1816 tabulate coral
Tollina aff. feildeni tabulate coral | |
Trabeculites manitobensis tabulate coral | |
Paleofavosites sp. Twenhofel 1914 tabulate coral | |
Cephalopoda | |
Cyclendoceras sp. Grabau and Shimer 1910 | |
Armenoceras michaudae n. sp.
Armenoceras michaudae n. sp. Bolton and Nowlan 1979 | |
Diestoceras sp. Foerste 1924 | |
Gastropoda | |
Trochonema cf. coxi Wilson 1938 snail | |
Strophomenata | |
Rafinesquinidae indet. Schuchert 1893 | |
Rhynchonellata | |
? Dinorthis sp. Hall and Clarke 1892 | |
Trilobita | |
Trilobita indet. Walch 1771 trilobite | |
unclassified | |
Echinodermata indet. Klein 1754 | |
Conodonta | |
Panderodus breviusculus, Panderodus "n. sp. C", Panderodus panderi, Panderodus gracilis, Panderodus feulneri, Belodina profunda, Belodina compressa, Plegagnathus dartoni
Panderodus breviusculus conodont
Panderodus "n. sp. C" Ethington 1959 conodont
Panderodus panderi Stauffer 1940 conodont
Panderodus gracilis Branson and Mehl 1933 conodont
Panderodus feulneri Glenister 1957 conodont
Belodina profunda conodont
Belodina compressa Branson and Mehl 1933 conodont
Plegagnathus dartoni Stone and Furnish 1959 conodont | |
Walliserodus cf. curvatus Branson and Branson 1947 conodont | |
Drepanoistodus suberectus Branson and Mehl 1933 conodont |