Where: Nunavut, Canada (75.0° N, 95.0° W: paleocoordinates 0.8° N, 30.5° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: A Member (Read Bay Formation), Ludlow (427.4 - 423.0 Ma)
• member-level stratigraphic resolution
Environment/lithology: shallow subtidal; calcareous lime mudstone and wackestone
•SEP environmental call based on given info.
Primary reference: A. T. Thomas and P. D. Lane. 1999. Trilobite assemblages of the North Atlantic Region. in A. J. Boucot and J. D. Lawson, eds. Paleocommunities--a case study from the Silurian and Lower Devonian. Cambridge University Press, Cambrdige 444-457. [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 23082: authorized by Michael Foote, entered by Michael Foote on 09.07.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhodophyceae | |
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Chlorophyceae | |
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Stromatoporoidea | |
Stromatoporoidea indet. stromatoporoid sponge | |
Anthozoa | |
Coenites sp. Eichwald 1829 tabulate coral | |
Favosites sp. Lamarck 1816 tabulate coral | |
Syringopora sp. Goldfuss 1826 tabulate coral | |
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unclassified | |
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Bivalvia | |
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Cephalopoda | |
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Rhynchonellata | |
Gypidula sp. Hall 1867 | |
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Howellella sp. Kozlowski 1946 | |
Atrypa sp. Dalman 1828 | |
Atrypoidea sp. Mitchell and Dun 1920 | |
Stegerhynchus sp. Foerste 1909 | |
Strophomenata | |
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Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Trilobita | |
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Richterarges spp. Phleger 1936 trilobite | |
Helokybe spio Thomas and Narbonne 1979 trilobite | |
Cyphaspis sp. Burmeister 1843 trilobite | |
Encrinurus sp. Emmrich 1844 trilobite
? Kailia sp. Chang 1974 trilobite | |
Ostracoda | |
Leperditia sp. Rouault 1851 ostracod |