PBDB Collection

Decorah Shale at St. Paul, Minnesota (Ordovician to of the United States)

Where: Ramsey County, Minnesota (45.0° N, 93.1° W: paleocoordinates 17.9° S, 62.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Decorah Shale Formation, Rocklandian to Rocklandian (457.3 - 449.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: gray shale

• Environmental call by T. Hanson.

• "[G]reenish-gray to pale-olive fossiliferous shale or claystone with lenses and think beds of coquinoidal limestone and calcareous shale."

Size class: macrofossils

Collection methods: bulk, surface (in situ), sieve,

Primary reference: W. F. Rice. 1987. The systematics and biostratigraphy of the Brachiopoda of the Decorah Shale at St. Paul, Minnesota. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 136-166 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23290: authorized by Steven Holland, entered by Tori Hanson on 11.07.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Lingulata
Lingulida - Pseudolingulidae	Pseudolingula eva Pseudolingula eva Billings 1861
Lingulida -	"Lingulacea spp." = Linguloidea "Lingulacea spp." = Linguloidea Menke 1828
Lingulida - Trematidae	Trematis sp., Schizocrania sp. Trematis sp. Sharpe 1848 Schizocrania sp. Hall and Whitfield 1875
Craniata
Craniida - Craniidae	"Acanthocrania setigeria" = Acanthocrania setigera, Petrocrania halli "Acanthocrania setigeria" = Acanthocrania setigera Hall 1866 [entered as Acanthocrania setigera] Petrocrania halli
Craniopsida - Craniopsidae	Craniops minor Craniops minor
Strophomenata
Billingsellida - Clitambonitidae	Vellamo americana Vellamo americana
Strophomenida - Sowerbyellidae	Sowerbyella minnesotensis, Sowerbyella curdsvillensis Sowerbyella minnesotensis Sardeson 1892 Sowerbyella curdsvillensis Foerste 1912
Strophomenida - Furcitellidae	Furcitella scofieldi, Oepikina inquassa, Oepikina minnesotensis Furcitella scofieldi Winchell and Schuchert 1892 Oepikina inquassa Oepikina minnesotensis Winchell 1881
Strophomenida - Rafinesquinidae	Rafinesquina sp., Rafinesquina trentonensis Rafinesquina sp. Hall and Clarke 1892 Rafinesquina trentonensis Hall 1847
Strophomenida - Strophomenidae	"Bellimurina charlottae" = Bellimurina (Bellimurina) charlottae, Strophomena sp., Strophomena septata, Strophomena filitexta, Strophomena billingsi "Bellimurina charlottae" = Bellimurina (Bellimurina) charlottae Winchell and Schuchert 1892 Strophomena sp. Rafinesque and De Blainville 1824 Strophomena septata Winchell and Schuchert 1892 Strophomena filitexta Hall 1847 Strophomena billingsi Winchell and Schuchert 1893
Rhynchonellata
Atrypida - Anazygidae	Zygospira plinthii n. sp., Zygospira lebanonensis, "Zygospira recurvirostris" = Anazyga recurvirostra Zygospira plinthii n. sp. Zygospira lebanonensis Cooper 1956 "Zygospira recurvirostris" = Anazyga recurvirostra Hall 1847
Atrypida - Protozygidae	"Protozyga nicolleti" = Manespira nicolleti "Protozyga nicolleti" = Manespira nicolleti Winchell and Schuchert 1892
Orthida - Draboviidae	Diorthelasma weissi n. sp., Pionodema subaequata Diorthelasma weissi n. sp. Rice 1987 Pionodema subaequata Conrad 1843
Orthida - Dalmanellidae	Dalmanella ? sculpta, Paucicrura rogata Dalmanella ? sculpta Cooper 1956 Paucicrura rogata Sardeson 1892
Orthida - Plaesiomyidae	"Plaesiomys meedsi" = Dinorthis meedsi, Dinorthis pectinella "Plaesiomys meedsi" = Dinorthis meedsi Winchell and Schuchert 1892 Dinorthis pectinella Emmons 1842
Orthida - Glyptorthidae	Glyptorthis bellarugosa Glyptorthis bellarugosa Conrad 1843
Orthida - Hesperorthidae	Hesperorthis tricenaria Hesperorthis tricenaria Conrad 1843
Orthida - Plectorthidae	Doleroides pervetus Doleroides pervetus
Orthida - Platystrophiidae	Platystrophia amoena, Platystrophia ? extensa Platystrophia amoena McEwan 1919 Platystrophia ? extensa McEwan 1920
Protorthida - Skenidiidae	Skenidioides anthonense Skenidioides anthonense Sardeson 1894
Rhynchonellida - Trigonirhynchiidae	Rostricellula minnesotensis Rostricellula minnesotensis Sardeson 1892
Rhynchonellida - Rhynchotrematidae	Rhynchotrema ainsliei, Rhynchotrema wisconsinense Rhynchotrema ainsliei Rhynchotrema wisconsinense
Stenolaemata
Cryptostomata - Escharoporidae	Graptodictya simplex, Escharopora subrecta Graptodictya simplex Escharopora subrecta Ulrich 1886
Cryptostomata - Ptilodictyidae	Stictoporella angularis, Stictoporella frondifera Stictoporella angularis Stictoporella frondifera
Cryptostomata - Rhinidictyidae	"Astreptodictya fimbriata" = Trigonodictya, "Astreptodictya acuta" = Trigonodictya, "Astreptodictya elegans" = Trigonodictya, "Astreptodictya pumila" = Trigonodictya, Stictopora exigua, Stictopora lita, Stictopora mutabilis, Stictopora paupera, Stictopora dumosa, Stictopora minima, Stictopora cf. neglecta, Athrophragma foliata "Astreptodictya fimbriata" = Trigonodictya "Astreptodictya acuta" = Trigonodictya "Astreptodictya elegans" = Trigonodictya "Astreptodictya pumila" = Trigonodictya Stictopora exigua Stictopora lita Stictopora mutabilis Stictopora paupera Stictopora dumosa Stictopora minima Stictopora cf. neglecta Athrophragma foliata