PBDB Collection

Platteville Formation Gastropoda and Monoplacophora, Minnesota (Ordovician to of the United States)

Where: Minnesota (46.0° N, 94.0° W: paleocoordinates 16.8° S, 62.3° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Platteville Formation, Blackriveran to Blackriveran (457.3 - 449.6 Ma)

• formation-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

• Limestone with shaly partings. Lithology from W. F. Rice and E. P. Hedblom. 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. Edited by R. E. Sloan.

Size class: macrofossils

Collection methods: Diverse semi-infaunal to epifaunal pteriomorphs. Infaunal paleotaxodonts show little diversity. "Where possible, stratigraphic information is taken from museum labels; where this is not possible, it is taken from Bassler (1915)."

Primary reference: R. E. Sloan and G. F. Webers. 1987. Stratigraphic ranges of Middle and Late Ordovician Gastropoda and Monoplacophora of Minnesota. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 183-186 [S. Holland/T. Hanson/S. Bruning]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 23557: authorized by Steven Holland, entered by Tori Hanson on 16.07.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Tergomya
Tryblidiida - Tryblidiidae	"Triblydium excertum" = Tryblidium exserta, "Platyceras depressum" = Helcionopsis depressum "Triblydium excertum" = Tryblidium exserta Sardeson 1892 "Triblydium" excertum "Platyceras depressum" = Helcionopsis depressum Ulrich and Scofield 1897
Archinacellida - Archinacellidae	Archinacella deleta Archinacella deleta Sardeson 1892 "Archinacella" deleta
Scenelloidea - Scenellidae	Scenella spp. n. sp., Scenella compressa Scenella spp. n. sp. Billings 1872 "Scenella" n. sp. spp. Scenella compressa Ulrich and Scofield 1897 "Scenella" compressa
Gastropoda
Bellerophontida - Pterothecidae	Pterotheca attenuata Pterotheca attenuata Hall 1861 snail
Bellerophontida - Sinuitidae	Sinuites rectangularis Sinuites rectangularis Ulrich and Scofield 1897 snail
Bellerophontida - Temnodiscidae	"Tropidodiscus subacutus" = Alaskadiscus subacutus "Tropidodiscus subacutus" = Alaskadiscus subacutus Ulrich and Scofield 1897 snail
Bellerophontida - Bucaniidae	Salpingostoma buelli, "Bucania minnesotensis" = Loxobucania minnesotensis, "Bucania emmonsi" = Loxobucania emmonsi, "Phragmolites fimbriatus" = Phragmolites fimbriata, Phragmolites triangularis, Bucania halli, Bucania sublata Salpingostoma buelli Whitfield 1878 snail "Bucania minnesotensis" = Loxobucania minnesotensis Ulrich and Scofield 1897 snail "Bucania emmonsi" = Loxobucania emmonsi Ulrich and Scofield 1897 snail "Phragmolites fimbriatus" = Phragmolites fimbriata Ulrich and Scofield 1897 snail Phragmolites triangularis Ulrich and Scofield 1897 snail Bucania halli Ulrich and Scofield 1897 snail Bucania sublata Ulrich and Scofield 1897 snail
Bellerophontida - Plectonotidae	Tetranota macra, Tetranota obsoleta, Tetranota wisconsinensis, Tetranota sexcarinata Tetranota macra Ulrich and Scofield 1897 snail Tetranota obsoleta Ulrich and Scofield 1897 snail Tetranota wisconsinensis Whitfield 1878 snail Tetranota sexcarinata Ulrich and Scofield 1897 snail
Murchisoniina - Hormotomidae	Hormotoma gracilis, Hormotoma subangulata Hormotoma gracilis Hall 1847 snail Hormotoma subangulata Ulrich and Scofield 1897 snail
Murchisoniina - Trochonematidae	"Trochonema unbilicatum" = Trochonema umbilicata, Trochonema beloitense, Trochonema beachi, Trochonema retrorsum, "Trochonema rugosum" = Trochonema rugosa "Trochonema unbilicatum" = Trochonema umbilicata Hall 1847 snail Trochonema beloitense Whitfield 1878 snail Trochonema beachi Whitfield 1878 snail Trochonema retrorsum Ulrich and Scofield 1897 snail "Trochonema rugosum" = Trochonema rugosa Ulrich and Scofield 1897 snail
Murchisoniina - Lophospiridae	"Eotomaria prisca" = Ectomaria prisca, "Gyronema pulchellum" = Gyronema pulchellum, "Trochonema lirata" = Gyronema pulchellum, Gyronema semicarinatum, "Lophospira helicteres" = Eunema helicteres, Eunema centralis, Lophospira serrulata, "Lophospira conradana" = Lophospira ventricosa, Lophospira perangulata, Lophospira decursa "Eotomaria prisca" = Ectomaria prisca Billings 1859 snail "Gyronema pulchellum" = Gyronema pulchellum Ulrich and Scofield 1897 snail "Trochonema lirata" = Gyronema pulchellum Ulrich and Scofield 1897 snail Gyronema semicarinatum Salter 1859 snail "Lophospira helicteres" = Eunema helicteres Salter 1859 snail Eunema centralis Ulrich and Scofield 1897 snail Lophospira serrulata Salter 1859 snail "Lophospira conradana" = Lophospira ventricosa Hall 1847 snail Lophospira perangulata Hall 1847 snail Lophospira decursa Ulrich and Scofield 1897 snail
Murchisoniina - Gosseletinidae	"Clathrospira convexa" = Cataschisma convexum "Clathrospira convexa" = Cataschisma convexum Ulrich and Scofield 1897 snail
Murchisoniina - Eotomariidae	Liospira angustata, Liospira americana, Liospira vitruvia, Liospira obtusa, Eotomaria vicina, Eotomaria dryope, "Clathrospira conica" = Clathrospira conica, "Eunema clivosa" = Clathrospira conica, Clathrospira subconica, "Eotomaria supracingulata" = Paraliospira supracingulata, "Liospira abrupta" = Paraliospira abrupta Liospira angustata Ulrich and Scofield 1897 snail Liospira americana Billings 1860 snail Liospira vitruvia Billings 1865 snail Liospira obtusa Ulrich and Scofield 1897 snail Eotomaria vicina Ulrich and Scofield 1897 snail Eotomaria dryope Billings 1865 snail "Clathrospira conica" = Clathrospira conica Ulrich and Scofield 1897 snail "Eunema clivosa" = Clathrospira conica Ulrich and Scofield 1897 snail Clathrospira subconica Hall 1847 snail "Eotomaria supracingulata" = Paraliospira supracingulata Billings 1857 snail "Liospira abrupta" = Paraliospira abrupta Ulrich and Scofield 1897 snail
Murchisoniina - Subulitidae	Fusispira vittata, Fusispira spicula, Subulites sp. Fusispira vittata Hall 1847 snail Fusispira spicula Sardeson 1892 snail Subulites sp. Emmons 1842 snail
Euomphalina - Macluritidae	Maclurites depressus, Maclurites nitidus, "Maclurites bigsbyi" = Maclurina bigsbyi Maclurites depressus Ulrich and Scofield 1897 snail Maclurites nitidus Ulrich and Scofield 1897 snail "Maclurites bigsbyi" = Maclurina bigsbyi Hall 1861 snail
Euomphalina - Platyceratidae	"Strophostylus textilis" = Cyclonema textilis, Cyclonema varicosum, "Trochonema percarinatum" = Cyclonema percarinata "Strophostylus textilis" = Cyclonema textilis Miller 1897 snail Cyclonema varicosum Hall 1861 snail "Trochonema percarinatum" = Cyclonema percarinata Hall 1847 snail
Euomphalina - Raphistomatidae	Raphistoma sp., "Raphistoma peracutum" = Scalites peracutum Raphistoma sp. Hall 1847 snail "Raphistoma peracutum" = Scalites peracutum Ulrich and Scofield 1897 snail
Euomphalina - Ophiletidae	"Ecculiomphalus undulatus" = Lytospira undulatus "Ecculiomphalus undulatus" = Lytospira undulatus Hall 1861 snail
Euomphalina - Lesueurillidae	"Ecculiomphalus beloitensis" = Lesueurilla beloitensis "Ecculiomphalus beloitensis" = Lesueurilla beloitensis Ulrich and Scofield 1897 snail
Euomphalina - Helicotomidae	Ophiletina sublaxa, Helicotoma planulata Ophiletina sublaxa Ulrich and Scofield 1897 snail Helicotoma planulata Salter 1859 snail
Euomphalina - Holopeidae	Holopea concinnula, Holopea ampla, Holopea insignis, Holopea rotunda Holopea concinnula Ulrich and Scofield 1897 snail Holopea ampla Ulrich and Scofield 1897 snail Holopea insignis Ulrich and Scofield 1897 snail Holopea rotunda Ulrich and Scofield 1897 snail
Bivalvia
Nuculida - Cardiolariidae	Deceptrix sp. Deceptrix sp. Fuchs 1919 clam
Solemyida - Ctenodontidae	Ctenodonta sp. Ctenodonta sp. Salter 1852 clam
Colpomyida - Colpomyidae	Eurymya plana Eurymya plana clam
Myalinida - Ambonychiidae	Ambonychiopsis sp., Cleionychia sp. Ambonychiopsis sp. Isberg 1934 clam Cleionychia sp. Ulrich 1892 clam
Cyrtodontida - Cyrtodontidae	Vanuxemia sp., Cyrtodonta sp., Cyrtodontula sp. Vanuxemia sp. Billings 1858 clam Cyrtodonta sp. Billings 1858 clam Cyrtodontula sp. Tomlin 1931 clam
Modiomorphida - Modiomorphidae	Whiteavesia sp., "Endodesma sp." = Cymatonota Whiteavesia sp. Ulrich 1893 clam "Endodesma sp." = Cymatonota Ulrich 1893 clam
Pholadomyida -	Sphenolium sp. Sphenolium sp. Miller 1889 clam