Ion Formation, Buckhorn Member Gastropoda and Monoplacophora, Illinois and Iowa: Kirkfieldian, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
|
||||||||||
Colpodon sp.
|
||||||||||
Gastropoda
- Euomphalina
- Platyceratidae
|
||||||||||
Cyclonema varicosum
(Hall 1861)
|
||||||||||
Strophostylus textilis
(Miller 1897)
|
||||||||||
corrected as Cyclonema textilis | ||||||||||
Gastropoda
- Euomphalina
- Raphistomatidae
|
||||||||||
Rhaphistoma peracutum
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Scalites peracutum | ||||||||||
Gastropoda
- Murchisoniina
- Hormotomidae
|
||||||||||
Hormotoma gracilis
(Hall 1847)
|
||||||||||
Gastropoda
- Murchisoniina
- Eotomariidae
|
||||||||||
Liospira abrupta
Ulrich and Scofield 1897
|
||||||||||
recombined as Paraliospira abrupta | ||||||||||
Eotomaria supracingulata
(Billings 1857)
|
||||||||||
recombined as Paraliospira supracingulata | ||||||||||
Liospira angustata
Ulrich and Scofield 1897
|
||||||||||
Liospira americana
(Billings 1860)
|
||||||||||
Liospira modesta
Ulrich and Scofield 1897
|
||||||||||
Liospira vitruvia
(Billings 1865)
|
||||||||||
Clathrospira conica
Ulrich and Scofield 1897
|
||||||||||
Eunema clivosa
(Sardeson 1892)
|
||||||||||
synonym of Clathrospira conica | ||||||||||
Clathrospira subconica
(Hall 1847)
|
||||||||||
Gastropoda
- Murchisoniina
- Lophospiridae
|
||||||||||
Lophospira oweni
Ulrich and Scofield 1897
|
||||||||||
recombined as Paupospira oweni | ||||||||||
Lophospira peracuta
Ulrich and Scofield 1897
|
||||||||||
synonym of Paupospira burginensis | ||||||||||
Gyronema semicarinatum
(Salter 1859)
|
||||||||||
Gyronema pulchellum
Ulrich and Scofield 1897
|
||||||||||
Lophospira concinnula
Ulrich and Scofield 1897
|
||||||||||
recombined as Eunema concinnula | ||||||||||
[entered as Lophospira concinnulata] | ||||||||||
Lophospira bicincta
(Hall 1847)
|
||||||||||
= Eunema centralis
Ulrich and Scofield 1897
|
Wagner 2023 | |||||||||
Gastropoda
- Murchisoniina
- Trochonematidae
|
||||||||||
Trochonema retrorsum
Ulrich and Scofield 1897
|
||||||||||
Trochonema unbilicatum
(Hall 1847)
|
||||||||||
recombined as Trochonema umbilicata | ||||||||||
Gastropoda
- Murchisoniina
- Subulitidae
|
||||||||||
Subulites sp.
Emmons 1842
|
||||||||||
Fusispira vittata
(Hall 1847)
|
||||||||||
Fusispira spicula
Sardeson 1892
|
||||||||||
Gastropoda
- Bellerophontida
- Bucaniidae
|
||||||||||
Bucania emmonsi
Ulrich and Scofield 1897
|
||||||||||
recombined as Loxobucania emmonsi | ||||||||||
Phragmolites obliquus
(Ulrich and Scofield 1897)
|
||||||||||
Salpingostoma buelli
(Whitfield 1878)
|
||||||||||
Gastropoda
- Bellerophontida
- Plectonotidae
|
||||||||||
Tetranota obsoleta
Ulrich and Scofield 1897
|
||||||||||
Tetranota sexcarinata
Ulrich and Scofield 1897
|
||||||||||
Tetranota bidorsata
(Hall 1847)
|
||||||||||
Gastropoda
- Bellerophontida
- Pterothecidae
|
||||||||||
Carinopsis acuta
(Ulrich and Scofield 1897)
|
||||||||||
synonym of Carinaropsis minima | ||||||||||
Gastropoda
- Bellerophontida
- Sinuitidae
|
||||||||||
Sinuites cancellatus
(Hall 1847)
|
||||||||||
Sinuites pervolutus
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Sinuites pervoluta | ||||||||||
Tergomya
- Archinacellida
- Archinacellidae
|
||||||||||
Triblydium (Palacmacea) humilis
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Floripatella humilis | ||||||||||
"Triblydium" (Palacmacea) humilis | ||||||||||
Archinacella deleta
(Sardeson 1892)
|
||||||||||
"Archinacella" deleta | ||||||||||
Tergomya
- Cyrtonellida
- Cyrtolitidae
|
||||||||||
Cyrtolites dilatatus
(Ulrich and Scofield 1897)
|
||||||||||
original and current combination Cyrtolites dilatus | ||||||||||
Cyrtolites retrorsus
Ulrich and Scofield 1897
|
||||||||||
Tergomya
- Tryblidiida
- Tryblidiidae
|
||||||||||
Platyceras depressum
Ulrich and Scofield 1897
|
||||||||||
recombined as Helcionopsis depressum | ||||||||||
Tergomya
- Scenellidae
|
||||||||||
Scenella obtusa
(Sardeson 1892)
|
||||||||||
"Scenella" obtusa | ||||||||||
Bivalvia
- Megalodontida
- Plethocardiidae
|
||||||||||
Plethocardia sp.
|
||||||||||
Bivalvia
- Modiomorphida
- Modiomorphidae
|
||||||||||
Modiolopsis sp.
Hall 1847
|
||||||||||
Orthodesma sp.
Hall and Whitfield 1875
|
||||||||||
Modiolodon sp.
Ulrich 1894
|
||||||||||
Aristerella sp.
Ulrich 1894
|
||||||||||
Bivalvia
- Lyrodesmatidae
|
||||||||||
Lyrodesma sp.
Conrad 1841
|
||||||||||
Bivalvia
- Cyrtodontida
- Cyrtodontidae
|
||||||||||
Cyrtodonta sp.
Billings 1858
|
||||||||||
Vanuxemia sp.
Billings 1858
|
||||||||||
Cyrtodontula sp.
Tomlin 1931
|
||||||||||
Bivalvia
- Nuculanida
- Malletiidae
|
||||||||||
Palaeoneilo sp.
Hall and Whitfield 1869
|
||||||||||
Bivalvia
- Nuculida
- Praenuculidae
|
||||||||||
Similodonta sp.
Soot-Ryen 1964
|
||||||||||
Bivalvia
- Solemyida
- Ctenodontidae
|
||||||||||
Tancrediopsis sp.
(Beushausen 1895)
|
||||||||||
original and current combination Ctenodonta (Tancrediopsis) | ||||||||||
Ctenodonta sp.
Salter 1852
|
||||||||||
see common names |
Geography
Country: | United States | State/province: | Illinois, Iowa |
Coordinates: | 42.0° North, 90.5° West (view map) | ||
Paleocoordinates: | 21.3° South, 63.6° West | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | basin |
Time
Period: | Ordovician | Epoch: | Late/Upper Ordovician |
10 m.y. bin: | Ordovician 4-5 | ||
*Period: | Middle Ordovician - Late/Upper Ordovician | *Local age/stage: | Kirkfieldian |
Key time interval: | Kirkfieldian | ||
Age range of interval: | 457.00000 - 449.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Lithology description: Lithology from F. M. Swain. 1987. Middle and Upper Ordovician Ostracoda of Minnesota and Iowa. Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 : 99-101. Edited by R. E. Sloan. | |
Environment: | carbonate indet. |
Geology comments: Environmental call by T. Hanson. |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection,survey of museum collection |
Reason for describing collection: | biostratigraphic analysis |
Collection method comments: "[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)." |
Metadata
Database number: | 23623 | ||
Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
Modifier: | S. Holland | Research group: | marine invertebrate |
Created: | 2002-07-17 19:08:16 | Last modified: | 2004-10-22 11:59:56 |
Access level: | the public | Released: | 2002-07-17 19:08:16 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
6737. | 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] |
Secondary references:
9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |