PBDB Collection

Dunleith Fm, Rivoli Member Gastropoda and Monoplacophora, Illinois and Iowa (Ordovician of the United States)

Where: Illinois, Iowa (42.0° N, 90.5° W: paleocoordinates 21.3° S, 63.6° W)

• coordinate estimated from map

• basin-level geographic resolution

When: Rivoli Member (Dunleith Formation), Shermanian (457.3 - 449.6 Ma)

• member-level stratigraphic resolution

Environment/lithology: limestone

• Environmental call by T. Hanson.

• Limestone, argillaceous streaked. Lithology from C. O. Leverson, A. J. Gerk, R. E. Sloan, & L. A. Bisagno. General section of the Middle and Late Ordovician strata of Northeastern Iowa, Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, p.25-39. Edited by R. E. Sloan.

Size class: macrofossils

Collection methods: "[B]ased on a review of the Sardeson Collection at the University of Minnesota, Weiss (1953), Ulrich and Scofield (1895), the unpublished work of Levorson and Gerk, and the list in Stauffer and Thiel (1941)."

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 23664: authorized by Steven Holland, entered by Tori Hanson on 18.07.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Tergomya
Scenelloidea - Scenellidae	Scenella compressa Scenella compressa Ulrich and Scofield 1897 "Scenella" compressa
Cyrtonellida - Cyrtolitidae	Cyrtolites ornatus Cyrtolites ornatus Conrad 1838
Bivalvia
Nuculanida - Cucullellidae	Nuculites sp. Nuculites sp. Conrad 1841 clam
Nuculida - Praenuculidae	Similodonta sp. Similodonta sp. Soot-Ryen 1964 clam
Solemyida - Ctenodontidae	Ctenodonta sp. Ctenodonta sp. Salter 1852 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., Matheria sp. Vanuxemia sp. Billings 1858 clam Cyrtodonta sp. Billings 1858 clam Cyrtodontula sp. Tomlin 1931 clam Matheria sp. Billings 1858 clam
Cardiidia - Grammysiidae	Cuneamya sp. Cuneamya sp. Hall and Whitfield 1875 clam
Modiomorphida - Modiomorphidae	Modiolopsis sp., Prolobella sp., "Endodesma sp." = Cymatonota, Modiolodon sp., Orthodesma sp., Saffordia sp. Modiolopsis sp. Hall 1847 clam Prolobella sp. Ulrich 1894 clam "Endodesma sp." = Cymatonota Ulrich 1893 clam Modiolodon sp. Ulrich 1894 clam Orthodesma sp. Hall and Whitfield 1875 clam Saffordia sp. Ulrich 1894 clam
Megalodontida - Plethocardiidae	Plethocardia sp. Plethocardia sp. clam
Pholadomyida -	Sphenolium sp. Sphenolium sp. Miller 1889 clam
Pholadomyida - Pholadomyidae	Rhytimya sp. Rhytimya sp. Ulrich 1893 clam
Unioni - Lyrodesmatidae	Lyrodesma sp. Lyrodesma sp. Conrad 1841 clam
Gastropoda
Murchisoniina - Hormotomidae	Hormotoma gracilis, "Hormotoma angustata" = Hormotoma gracilis angustatus, "Michelia neglectus" = Hormotoma neglecta, "Lophospira angustina" = Hormotoma minnesotensis Hormotoma gracilis Hall 1847 snail "Hormotoma angustata" = Hormotoma gracilis angustatus Hall 1847 snail "Michelia neglectus" = Hormotoma neglecta Ulrich and Scofield 1897 snail "Lophospira angustina" = Hormotoma minnesotensis Ulrich and Scofield 1897 snail
Murchisoniina - Murchisoniidae	"Hormotoma salteri" = Cyrtostropha salteri "Hormotoma salteri" = Cyrtostropha salteri Ulrich and Scofield 1897 snail
Murchisoniina - Eotomariidae	Liospira americana, "Liospira progue" = Liospira progne, Liospira vitruvia, Liospira angustata, Clathrospira conica, Clathrospira subconica Liospira americana Billings 1860 snail "Liospira progue" = Liospira progne Billings 1860 snail Liospira vitruvia Billings 1865 snail Liospira angustata Ulrich and Scofield 1897 snail Clathrospira conica Ulrich and Scofield 1897 snail Clathrospira subconica Hall 1847 snail
Murchisoniina - Subulitidae	Fusispira nobilis, Fusispira angusta, "Fusispira subplana" = Fusispira angusta subplana, Fusispira subfusiformis, Fusispira ventricosa, Fusispira planulata, Fusispira intermedia, Fusispira inflata, Fusispira subbrevis, "Fusispira convexis" = Fusispira convexa, "Cyrtolites wykoffensis" = Cyrtospira wykoffensis, "Cyrtospira wykoffensis" = Cyrtospira wykoffensis, Subulites sp., Subulites pergracilis, Subulites elongatus, "Hormotoma bellicincta" = Eroicaspira bellicincta Fusispira nobilis Ulrich and Scofield 1897 snail Fusispira angusta Ulrich and Scofield 1897 snail "Fusispira subplana" = Fusispira angusta subplana Ulrich and Scofield 1897 snail Fusispira subfusiformis Hall 1847 snail Fusispira ventricosa Hall 1872 snail Fusispira planulata Ulrich and Scofield 1897 snail Fusispira intermedia Ulrich and Scofield 1897 snail Fusispira inflata Meek and Worthen 1870 snail Fusispira subbrevis Ulrich and Scofield 1897 snail "Fusispira convexis" = Fusispira convexa Ulrich and Scofield 1897 snail "Cyrtolites wykoffensis" = Cyrtospira wykoffensis Ulrich and Scofield 1897 snail "Cyrtospira wykoffensis" = Cyrtospira wykoffensis Ulrich and Scofield 1897 snail Subulites sp. Emmons 1842 snail Subulites pergracilis Ulrich and Scofield 1897 snail Subulites elongatus Portlock 1843 snail "Hormotoma bellicincta" = Eroicaspira bellicincta Hall 1847 snail
Murchisoniina - Trochonematidae	Trochonema subcrassum, Trochonema fragile, "Trochonema unbilicatum" = Trochonema umbilicata, Trochonema altum, "Eunema robbinsi" = Globonema niota, "Eunema salteri" = Globonema niota Trochonema subcrassum Ulrich and Scofield 1897 snail Trochonema fragile Ulrich and Scofield 1897 snail "Trochonema unbilicatum" = Trochonema umbilicata Hall 1847 snail Trochonema altum Ulrich and Scofield 1897 snail "Eunema robbinsi" = Globonema niota Hall 1861 snail "Eunema salteri" = Globonema niota Hall 1861 snail
Murchisoniina - Lophospiridae	"Lophospira fillmorensis" = Eunema concinnula, Eunema centralis, Gyronema sp., Ectomaria prisca, "Lophospira sumnerensis" = Paupospira sumnerensis, "Lophospira elevata" = Paupospira elevata, Paupospira burginensis, "Lophospira perforata" = Lophospira perangulata, Lophospira obliqua, "Hormotoma major" = Lophospira major "Lophospira fillmorensis" = Eunema concinnula Ulrich and Scofield 1897 snail Eunema centralis Ulrich and Scofield 1897 snail Gyronema sp. Ulrich and Scofield 1897 snail Ectomaria prisca Billings 1859 snail "Lophospira sumnerensis" = Paupospira sumnerensis Safford 1869 snail "Lophospira elevata" = Paupospira elevata Ulrich and Scofield 1897 snail Paupospira burginensis Ulrich and Scofield 1897 snail "Lophospira perforata" = Lophospira perangulata Hall 1847 snail Lophospira obliqua Ulrich and Scofield 1897 snail "Hormotoma major" = Lophospira major Hall 1852 snail
Murchisoniina - Loxonematidae	"Hormotoma trentonensis" = Omospira trentonensis "Hormotoma trentonensis" = Omospira trentonensis Ulrich and Scofield 1897 snail
Euomphalina - Platyceratidae	"Strophostylus textilis" = Cyclonema textilis "Strophostylus textilis" = Cyclonema textilis Miller 1897 snail
Euomphalina - Raphistomatidae	"Raphistoma peracutum" = Scalites peracutum, Raphistoma sp. "Raphistoma peracutum" = Scalites peracutum Ulrich and Scofield 1897 snail Raphistoma sp. Hall 1847 snail
Euomphalina - Holopeidae	Raphistomina rugata, Holopea paludiniformis, Holopea supraplana, Holopea pyrene, Holopea excelsa, Holopea similis, Holopea appressa Raphistomina rugata Ulrich and Scofield 1897 snail Holopea paludiniformis Hall 1847 snail [entered as Holopea paludinaeformis] Holopea supraplana Ulrich and Scofield 1897 snail Holopea pyrene Billings 1865 snail Holopea excelsa Ulrich and Scofield 1897 snail Holopea similis Ulrich and Scofield 1897 snail Holopea appressa Ulrich and Scofield 1897 snail
Euomphalina - Helicotomidae	Ophiletina angularis Ophiletina angularis Ulrich and Scofield 1897 snail
Euomphalina - Macluritidae	"Maclurites crassus" = Maclurites crassa "Maclurites crassus" = Maclurites crassa Ulrich and Scofield 1897 snail
Bellerophontida - Bucaniidae	"Salpingostoma sculptile" = Salpingostoma sculptilis, Kokenospira costalis, "Bucania lindleyi" = Loxobucania lindsleyi, Bucania elliptica, Bucania sublata, Phragmolites dyeri, Phragmolites compressus "Salpingostoma sculptile" = Salpingostoma sculptilis Ulrich and Scofield 1897 snail Kokenospira costalis Ulrich and Scofield 1897 snail "Bucania lindleyi" = Loxobucania lindsleyi Safford 1869 snail Bucania elliptica Ulrich and Scofield 1897 snail Bucania sublata Ulrich and Scofield 1897 snail Phragmolites dyeri Hall 1872 snail Phragmolites compressus Conrad 1838 snail
Bellerophontida - Bellerophontidae	"Bellerophon platystoma" = Sphenosphaera platystoma, "Bellerophon clausus" = Sphenosphaera rogersensis "Bellerophon platystoma" = Sphenosphaera platystoma Meek and Worthen 1868 snail "Bellerophon" platystoma "Bellerophon clausus" = Sphenosphaera rogersensis Foerste 1914 snail "Bellerophon" clausus
Bellerophontida - Plectonotidae	Tetranota bidorsata, Tetranota sexcarinata, Tetranota obsoleta Tetranota bidorsata Hall 1847 snail Tetranota sexcarinata Ulrich and Scofield 1897 snail Tetranota obsoleta Ulrich and Scofield 1897 snail
Bellerophontida - Temnodiscidae	"Tropidodiscus subacutus" = Alaskadiscus subacutus "Tropidodiscus subacutus" = Alaskadiscus subacutus Ulrich and Scofield 1897 snail
Bellerophontida - Sinuitidae	Sinuites cancellatus, "Sinuites pervolutus" = Sinuites pervoluta Sinuites cancellatus Hall 1847 snail "Sinuites pervolutus" = Sinuites pervoluta Ulrich and Scofield 1897 snail