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Maquoketa - Scales Shale - Clermont, USA

Group	Maquoketa
Formation	Scales Shale
Member	Clermont
Age:	452 - 450 Ma Late/Upper Ordovician
Interval	Maysvillian
Lithology	limestone, "shale"
Number of Collections	6
Number of Occurrences	111

Recorded Sample Locations

Location	Region	Stratigraphic Name
Spechts Ferry Formation Ostracodes of Iowa	Boone County, Iowa, USA	Maquoketa - Scales Shale - Clermont
Sardeson Collection	Hennepin County, Minnesota, USA	Maquoketa - Scales Shale - Clermont
Mifflin Formation Echinoderms of the Upper Mississippi Valley	Clinton County, Iowa, USA	Maquoketa - Scales Shale - Clermont
St. Peter Sandstone Cephalopods	Grant County, Wisconsin, USA	Maquoketa - Scales Shale - Clermont

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Blanding	441 - 433 Ma Silurian	lime mudstone/wackestone, lime mudstone/packstone, wackestone/grainstone, dolomite	56
Decorah - Rhinidictya Beds	461 - 450 Ma Ordovician	shale	1
Decorah Shale	458 - 450 Ma Late/Upper Ordovician	shale/"limestone", "shale", "limestone"	447
Dubuque	461 - 450 Ma Ordovician	wackestone	70
Glenwood	461 - 450 Ma Ordovician		127
Gower	433 - 423 Ma Silurian	carbonate	9
Grand Detour	461 - 450 Ma Ordovician	limestone	147
Hopkinton	439 - 433 Ma Silurian	wackestone	55
Hopkinton - Farmers Creek	439 - 433 Ma Silurian	wackestone/packstone, packstone, packstone/grainstone, grainstone/packstone, dolomite	219
Hopkinton - Sweeney	441 - 439 Ma Silurian	lime mudstone/packstone	11
Mifflin	461 - 450 Ma Ordovician	limestone	161
Nachusa	461 - 450 Ma Ordovician		157
Pecatonica	461 - 450 Ma Ordovician	limestone	110
Platteville	461 - 450 Ma Ordovician	limestone, "limestone"/dolomite, mudstone	276
Platteville - Carimona	461 - 450 Ma Ordovician		2
Platteville - Hidden Falls	461 - 450 Ma Ordovician	limestone	5
Platteville - Magnolia	461 - 450 Ma Ordovician		5
Prosser Limestone	461 - 443 Ma Paleozoic	limestone	259
Quimbys Mill	461 - 450 Ma Ordovician	limestone/dolomite, "limestone"	194
Scales Shale - Elgin	461 - 450 Ma Ordovician	shale/"limestone"	41
Scotch Grove - Welton	433 - 427 Ma Silurian	wackestone, wackestone/packstone, packstone/wackestone, dolomite	294
Spechts Ferry	461 - 450 Ma Ordovician	shale/"limestone", "shale"	132
St. Peter Sandstone	461 - 450 Ma Ordovician	sandstone	149
Wise Lake - Stewartville	461 - 450 Ma Ordovician	wackestone	23
Galena - Decorah Shale	461 - 450 Ma Ordovician	shale, claystone/"limestone"	59
Galena - Dubuque	461 - 450 Ma Ordovician	limestone, wackestone	68
Galena - Dunleith - Beecher	461 - 450 Ma Ordovician	limestone	194
Galena - Dunleith - Eagle Point	461 - 450 Ma Ordovician	limestone	198
Galena - Dunleith - Fairplay	461 - 450 Ma Ordovician	shale/"limestone"	146
Galena - Dunleith - Mortimer	461 - 450 Ma Ordovician	limestone	156
Galena - Dunleith - Rivoli	461 - 450 Ma Ordovician	limestone	151
Galena - Dunleith - Sherwood	453 - 445 Ma Late/Upper Ordovician	limestone, wackestone	180
Galena - Dunleith - Wall	461 - 450 Ma Ordovician	limestone	168
Galena - Dunleith - Wyota	461 - 450 Ma Ordovician	limestone	159
Galena - Guttenberg	461 - 450 Ma Ordovician	limestone, "limestone"/"shale"	204
Galena - Guttenberg - Glenhaven	461 - 450 Ma Ordovician	mudstone/"shale"	16
Galena - Ion - Buckhorn	461 - 450 Ma Ordovician	limestone	203
Galena - Ion - St. James	461 - 450 Ma Ordovician	shale	180
Galena - Spechts Ferry	461 - 450 Ma Ordovician	limestone, "shale"	58
Galena - Wise Lake - Rifle Hill	461 - 450 Ma Ordovician	dolomite	65
Galena - Wise Lake - Sinsinawa	461 - 450 Ma Ordovician	limestone	155
Maquoketa - Brainard Shale	450 - 444 Ma Paleozoic	shale	43
Maquoketa - Fort Atkinson Limestone	452 - 450 Ma Late/Upper Ordovician	dolomite, "limestone"	41
Maquoketa - Neda	450 - 444 Ma Paleozoic		17
Maquoketa - Scales Shale - Elgin	450 - 444 Ma Paleozoic	limestone, wackestone	157
Platteville - Grand Detour	461 - 450 Ma Ordovician	limestone	28
Platteville - Pecatonica	461 - 450 Ma Ordovician	limestone	13

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Primitiella sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Primitiidae : *Primitiella*	452 - 449.5 Ma Late/Upper Ordovician
Beyrichia sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Beyrichiidae : *Beyrichia*	452 - 449.5 Ma Late/Upper Ordovician
Bollia sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Bolliidae : *Bollia*	452 - 449.5 Ma Late/Upper Ordovician
Ctenobolbina sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Tetradellidae : *Ctenobolbina*	452 - 449.5 Ma Late/Upper Ordovician
Leperditella sp. genus	6	Animalia : Arthropoda : Ostracoda : Leperditiidae : *Leperditella*	452 - 449.5 Ma Late/Upper Ordovician
Milleratia sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : *Milleratia*	452 - 449.5 Ma Late/Upper Ordovician
Zygobolboides sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : *Zygobolboides*	452 - 449.5 Ma Late/Upper Ordovician
Primitia sp. genus	6	Animalia : Arthropoda : Ostracoda : Palaeocopida : Primitiidae : *Primitia*	452 - 449.5 Ma Late/Upper Ordovician
Krausella sp. genus	6	Animalia : Arthropoda : Ostracoda : Krausellidae : *Krausella*	452 - 449.5 Ma Late/Upper Ordovician
Bythocypris sp. genus	6	Animalia : Arthropoda : Ostracoda : Podocopida : Bythocyprididae : *Bythocypris*	452 - 449.5 Ma Late/Upper Ordovician
Macrocypris sp. genus	6	Animalia : Arthropoda : Ostracoda : Podocopida : Macrocyprididae : *Macrocypris*	452 - 449.5 Ma Late/Upper Ordovician
Macrocyproides sp. genus	6	Animalia : Arthropoda : Ostracoda : Podocopida : *Macrocyproides*	452 - 449.5 Ma Late/Upper Ordovician
Punctaparchites sp. genus	6	Animalia : Arthropoda : Ostracoda : Podocopida : *Punctaparchites*	452 - 449.5 Ma Late/Upper Ordovician
Isotelus susae species	7	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Isotelus : *Isotelus susae*	452 - 449.5 Ma Late/Upper Ordovician
Flexicalymene senaria species	7	Animalia : Arthropoda : Trilobita : Phacopida : Calymenidae : Flexicalymene : *Flexicalymene senaria*	452 - 449.5 Ma Late/Upper Ordovician
Orbiculoidea sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Discinidae : *Orbiculoidea*	452 - 449.5 Ma Late/Upper Ordovician
Lingulops sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Paterulidae : *Lingulops*	452 - 449.5 Ma Late/Upper Ordovician
Zygospira modesta species	7	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Anazygidae : Zygospira : *Zygospira modesta*	452 - 449.5 Ma Late/Upper Ordovician
Eremotrema sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : *Eremotrema*	452 - 449.5 Ma Late/Upper Ordovician
Onniella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : *Onniella*	452 - 449.5 Ma Late/Upper Ordovician
Paucicrura corpulenta species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Paucicrura : *Paucicrura corpulenta*	452 - 449.5 Ma Late/Upper Ordovician
Paucicrura rogata species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Paucicrura : *Paucicrura rogata*	452 - 449.5 Ma Late/Upper Ordovician
Glyptorthis bellarugosa species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Glyptorthidae : Glyptorthis : *Glyptorthis bellarugosa*	452 - 449.5 Ma Late/Upper Ordovician
Glyptorthis insculpta species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Glyptorthidae : Glyptorthis : *Glyptorthis insculpta*	452 - 449.5 Ma Late/Upper Ordovician
Austinella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : *Austinella*	452 - 449.5 Ma Late/Upper Ordovician
Plaesiomys proavitus species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : Plaesiomys : *Plaesiomys proavitus*	452 - 449.5 Ma Late/Upper Ordovician
Plaesiomys subquadratus species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Plaesiomyidae : Plaesiomys : *Plaesiomys subquadratus*	452 - 449.5 Ma Late/Upper Ordovician
Diceromyonia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Platyorthidae : *Diceromyonia*	452 - 449.5 Ma Late/Upper Ordovician
Hebertella occidentalis species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Plectorthidae : Hebertella : *Hebertella occidentalis*	452 - 449.5 Ma Late/Upper Ordovician
Hiscobeccus capax species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Hiscobeccus : *Hiscobeccus capax*	452 - 449.5 Ma Late/Upper Ordovician
Hypsiptycha anticostiensis species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Rhynchotrematidae : Hypsiptycha : *Hypsiptycha anticostiensis*	452 - 449.5 Ma Late/Upper Ordovician
Megamyonia unicostata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : Megamyonia : *Megamyonia unicostata*	452 - 449.5 Ma Late/Upper Ordovician
Rafinesquina deltoidea species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : Rafinesquina : *Rafinesquina deltoidea*	452 - 449.5 Ma Late/Upper Ordovician
Rafinesquina trentonensis species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : Rafinesquina : *Rafinesquina trentonensis*	452 - 449.5 Ma Late/Upper Ordovician
Eoplectodonta sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Sowerbyellidae : *Eoplectodonta*	452 - 449.5 Ma Late/Upper Ordovician
Thaerodonta recedens species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Sowerbyellidae : Eochonetes : *Thaerodonta recedens*	452 - 449.5 Ma Late/Upper Ordovician
Strophomena occidentalis species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Strophomena : *Strophomena occidentalis*	452 - 449.5 Ma Late/Upper Ordovician
Strophomena trilobata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Strophomena : *Strophomena trilobata*	452 - 449.5 Ma Late/Upper Ordovician
Tetraphalerella planodorsata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Strophomenidae : Tetraphalerella : *Tetraphalerella planodorsata*	452 - 449.5 Ma Late/Upper Ordovician
Calceocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : Calceocrinidae : *Calceocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Dendrocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : Dendrocrinidae : *Dendrocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Archaeocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : *Archaeocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Ectenocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : Homocrinidae : *Ectenocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Sygcaulocrinus typus species	7	Animalia : Echinodermata : Crinoidea : Homocrinidae : Sygcaulocrinus : *Sygcaulocrinus typus*	452 - 449.5 Ma Late/Upper Ordovician
Iocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : Iocrinidae : *Iocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Cupulocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : *Cupulocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Plicodendrocrinus casei species	7	Animalia : Echinodermata : Crinoidea : Plicodendrocrinidae : Plicodendrocrinus : *Plicodendrocrinus casei*	452 - 449.5 Ma Late/Upper Ordovician
Carabocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : Carabocrinidae : *Carabocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Porocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : *Porocrinus*	452 - 449.5 Ma Late/Upper Ordovician
Apycnodiscus sp. genus	6	Animalia : Echinodermata : Cyclocystoidea : Cyclocystoididae : *Apycnodiscus*	452 - 449.5 Ma Late/Upper Ordovician
Cyrtodonta sp. genus	6	Animalia : Mollusca : Bivalvia : Cyrtodontidae : *Cyrtodonta*	452 - 449.5 Ma Late/Upper Ordovician
Cyrtodontula sp. genus	6	Animalia : Mollusca : Bivalvia : Cyrtodontidae : *Cyrtodontula*	452 - 449.5 Ma Late/Upper Ordovician
Modiolopsis sp. genus	6	Animalia : Mollusca : Bivalvia : Unionida : Iridinidae : *Modiolopsis*	452 - 449.5 Ma Late/Upper Ordovician
Orthodesma sp. genus	6	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Orthodesma*	452 - 449.5 Ma Late/Upper Ordovician
Prolobella sp. genus	6	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Prolobella*	452 - 449.5 Ma Late/Upper Ordovician
Saffordia sp. genus	6	Animalia : Mollusca : Bivalvia : Modiomorphida : Modiomorphidae : *Saffordia*	452 - 449.5 Ma Late/Upper Ordovician
Ambonychiopsis sp. genus	6	Animalia : Mollusca : Bivalvia : Myalinida : Ambonychiidae : *Ambonychiopsis*	452 - 449.5 Ma Late/Upper Ordovician
Nuculites sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Malletiidae : *Nuculites*	452 - 449.5 Ma Late/Upper Ordovician
Palaeoneilo sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Malletiidae : *Palaeoneilo*	452 - 449.5 Ma Late/Upper Ordovician
Similodonta sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculida : Praenuculidae : *Similodonta*	452 - 449.5 Ma Late/Upper Ordovician
Armenoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Armenoceratidae : *Armenoceras*	452 - 449.5 Ma Late/Upper Ordovician
Ormoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ormoceratidae : *Ormoceras*	452 - 449.5 Ma Late/Upper Ordovician
Schuchertoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ascoceratidae : *Schuchertoceras*	452 - 449.5 Ma Late/Upper Ordovician
Probillingsites sp. genus	6	Animalia : Mollusca : Cephalopoda : Ascoceratidae : *Probillingsites*	452 - 449.5 Ma Late/Upper Ordovician
Charactoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Apsidoceratidae : *Charactoceras*	452 - 449.5 Ma Late/Upper Ordovician
Deckeroceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Apsidoceratidae : *Deckeroceras*	452 - 449.5 Ma Late/Upper Ordovician
Endoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Endoceratidae : *Endoceras*	452 - 449.5 Ma Late/Upper Ordovician
Anaspyroceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Nautilidae : *Anaspyroceras*	452 - 449.5 Ma Late/Upper Ordovician
Polygrammoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Orthoceratidae : *Polygrammoceras*	452 - 449.5 Ma Late/Upper Ordovician
Cyrtolites dyeri species	7	Animalia : Mollusca : Gastropoda : Bucaniidae : Phragmolites : *Cyrtolites dyeri*	452 - 449.5 Ma Late/Upper Ordovician
Salpingostoma imbricata species	7	Animalia : Mollusca : Gastropoda : Bucaniidae : Salpingostoma : *Salpingostoma imbricata*	452 - 449.5 Ma Late/Upper Ordovician
Sinuites cancellatus species	7	Animalia : Mollusca : Gastropoda : Bellerophontida : Sinuitidae : Sinuites : *Sinuites cancellatus*	452 - 449.5 Ma Late/Upper Ordovician
Sinuites subcompressa species	7	Animalia : Mollusca : Gastropoda : Bellerophontida : Sinuitidae : Sinuites : *Sinuites subcompressa*	452 - 449.5 Ma Late/Upper Ordovician
Pleurotomaria micula species	7	Animalia : Mollusca : Gastropoda : Pleurotomariida : Eotomariidae : Liospira : *Pleurotomaria micula*	452 - 449.5 Ma Late/Upper Ordovician
Murchisonia gracilis species	7	Animalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : *Murchisonia gracilis*	452 - 449.5 Ma Late/Upper Ordovician
Murchisonia multivolvis species	7	Animalia : Mollusca : Gastropoda : Pleurotomariida : Murchisoniidae : Murchisonia : *Murchisonia multivolvis*	452 - 449.5 Ma Late/Upper Ordovician
Meekospira subconica species	7	Animalia : Mollusca : Gastropoda : Straparollinidae : Daidia : *Meekospira subconica*	452 - 449.5 Ma Late/Upper Ordovician
Lophospira quadrisulcata species	7	Animalia : Mollusca : Gastropoda : Lophospiridae : Eunema : *Lophospira quadrisulcata*	452 - 449.5 Ma Late/Upper Ordovician
Archinacella deleta species	7	Animalia : Mollusca : Tergomya : Archinacellida : Archinacellidae : Archinacella : *Archinacella deleta*	452 - 449.5 Ma Late/Upper Ordovician
Cyrtolites disjunctus species	7	Animalia : Mollusca : Tergomya : Cyrtonellida : Cyrtolitidae : Cyrtolites : *Cyrtolites disjunctus*	452 - 449.5 Ma Late/Upper Ordovician

References

Catalani J. A. (1987) Biostratigraphy of the Middle and Late Ordovician cephalopods of the Upper Mississippi Valley area, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, 187-189

Swain F. M. (1987) Middle and Upper Ordovician Ostracoda of Minnesota and Iowa, Minnesota Geological Survey Report of Investigations 35, 99-101

Rice W. F., Hedblom E. P. (1987) Brachiopods and trilobites of the Sardeson Beds in the Twin Cities, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, 131-135

Kolata D. R., Brower J. C., et al (1987) Upper Mississippi Valley Champlainian and Cincinnatian echinoderms, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, 179-181

Sloan R. E., Webers G. F. (1987) Stratigraphic ranges of Middle and Late Ordovician Gastropoda and Monoplacophora of Minnesota, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, 183-186

Wagner P. J. (2017) Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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