Also known as Probably = float blocks near Newberry, Michigan of Stumm & Kauffman
Where: Luce County, Michigan (46.3° N, 85.5° W: paleocoordinates 20.6° S, 57.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Geniculograptus pygmaeus graptolite zone, Groos Quarry Formation, Edenian to Edenian (460.9 - 449.5 Ma)
• Originally given as Collingwood Formation Lithology 3.
• formation-level stratigraphic resolution
Environment/lithology: brown, gray limestone
Size class: macrofossils
Preservation: cast
Reposited in the UMMP
Primary reference: R. Ruedemann and G. M. Ehlers. 1924. Occurrence of the Collingwood Formation in Michigan. In E. S. McCartney (ed.), Michigan University Contributions from the Museum of Geology 2:13-18 [S. Holland/T. Hanson/S. Bruning]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 26339: authorized by Steven Holland, entered by Tori Hanson on 13.10.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Scyphozoa | |
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Strophomenata | |
Plectambonites sericeus Sowerby 1839 | |
Rhynchonellata | |
"Dalmanella emacerata" = Heterorthina emacerata
"Dalmanella emacerata" = Heterorthina emacerata Hall 1860 | |
Lingulata | |
"Lingula cobourgensis" = Lingulasma cobourgensis, "Lingula cf. whitfieldi" = Lingulasma whitfieldi
"Lingula cobourgensis" = Lingulasma cobourgensis Billings 1865
"Lingula cf. whitfieldi" = Lingulasma whitfieldi Ulrich 1889 | |
Ostracoda | |
Primitiella sp. Ulrich 1894 ostracod | |
Tetradella subquadratus ostracod | |
Trilobita | |
"cf. Ogygites latimarginatus" = Pseudogygites latimarginatus, Isotelus sp.
"cf. Ogygites latimarginatus" = Pseudogygites latimarginatus Hall 1847 trilobite
Isotelus sp. Dekay 1824 trilobite | |
"Calymene senaria" = Flexicalymene (Flexicalymene) senaria
"Calymene senaria" = Flexicalymene (Flexicalymene) senaria Conrad 1841 trilobite | |
Pterobranchia | |
"Diplograptus amplexicaulis" = Rectograptus amplexicaulis
"Diplograptus amplexicaulis" = Rectograptus amplexicaulis Hall 1847 graptolite D. amplexicaulis uticanus
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