Pecatonica Formation Gastropoda and Monoplacophora, Illinois and Iowa: Blackriveran, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tergomya
- Tryblidiida
- Tryblidiidae
|
||||||||||
Triblydium excertum
(Sardeson 1892)
|
||||||||||
original and current combination Tryblidium exserta | ||||||||||
"Triblydium" excertum | ||||||||||
Platyceras wisconsinense
Ulrich and Scofield 1897
|
||||||||||
recombined as Helcionopsis wisconsinensis | ||||||||||
Gastropoda
- Euomphalina
- Ophiletidae
|
||||||||||
Ecculiomphalus undulatus
Hall 1861
|
||||||||||
recombined as Lytospira undulatus | ||||||||||
Gastropoda
- Euomphalina
- Platyceratidae
|
||||||||||
Trochonema percarinatum
(Hall 1847)
|
||||||||||
recombined as Cyclonema percarinata | ||||||||||
Gastropoda
- Euomphalina
- Macluritidae
|
||||||||||
Maclurites nitidus
(Ulrich and Scofield 1897)
|
||||||||||
Maclurites depressus
(Ulrich and Scofield 1897)
|
||||||||||
Maclurites bigsbyi
(Hall 1861)
|
||||||||||
recombined as Maclurina bigsbyi | ||||||||||
Gastropoda
- Euomphalina
- Holopeidae
|
||||||||||
Holopea rotunda
Ulrich and Scofield 1897
|
||||||||||
Holopea concinnula
Ulrich and Scofield 1897
|
||||||||||
Holopea insignis
Ulrich and Scofield 1897
|
||||||||||
Holopea ampla
Ulrich and Scofield 1897
|
||||||||||
Gastropoda
- Euomphalina
- Lesueurillidae
|
||||||||||
Ecculiomphalus beloitensis
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Lesueurilla beloitensis | ||||||||||
Gastropoda
- Euomphalina
- Helicotomidae
|
||||||||||
Ophiletina sublaxa
Ulrich and Scofield 1897
|
||||||||||
Helicotoma planulata
Salter 1859
|
||||||||||
Gastropoda
- Bellerophontida
- Plectonotidae
|
||||||||||
Tetranota obsoleta
Ulrich and Scofield 1897
|
||||||||||
Tetranota wisconsinensis
(Whitfield 1878)
|
||||||||||
Tetranota macra
Ulrich and Scofield 1897
|
||||||||||
Gastropoda
- Bellerophontida
- Temnodiscidae
|
||||||||||
Tropidodiscus subacutus
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Alaskadiscus subacutus | ||||||||||
Gastropoda
- Bellerophontida
- Bucaniidae
|
||||||||||
Phragmolites triangularis
(Ulrich and Scofield 1897)
|
||||||||||
Phragmolites fimbriatus
(Ulrich and Scofield 1897)
|
||||||||||
recombined as Phragmolites fimbriata | ||||||||||
Bucania halli
Ulrich and Scofield 1897
|
||||||||||
Bucania sublata
Ulrich and Scofield 1897
|
||||||||||
Bucania minnesotensis
Ulrich and Scofield 1897
|
||||||||||
recombined as Loxobucania minnesotensis | ||||||||||
Bucania emmonsi
Ulrich and Scofield 1897
|
||||||||||
recombined as Loxobucania emmonsi | ||||||||||
Gastropoda
- Bellerophontida
- Pterothecidae
|
||||||||||
Pterotheca attenuata
(Hall 1861)
|
||||||||||
Gastropoda
- Bellerophontida
- Sinuitidae
|
||||||||||
Sinuites rectangularis
(Ulrich and Scofield 1897)
|
||||||||||
Gastropoda
- Murchisoniina
- Subulitidae
|
||||||||||
Fusispira spicula
Sardeson 1892
|
||||||||||
Subulites dixonensis
(Ulrich and Scofield 1897)
|
||||||||||
original and current combination Subulites dixonenesis | ||||||||||
Subulites regularis
Ulrich and Scofield 1897
|
||||||||||
Subulites conradi
Ulrich and Scofield 1897
|
||||||||||
Gastropoda
- Murchisoniina
- Lophospiridae
|
||||||||||
Lophospira bicincta
(Hall 1847)
|
||||||||||
= Eunema centralis
Ulrich and Scofield 1897
|
Wagner 2023 | |||||||||
Lophospira helicteres
(Salter 1859)
|
||||||||||
recombined as Eunema helicteres | ||||||||||
Trochonema lirata
(Ulrich and Scofield 1897)
|
||||||||||
replaced by Gyronema pulchellum | ||||||||||
Gyronema duplicatum
Ulrich and Scofield 1897
|
||||||||||
synonym of Gyronema semicarinatum | ||||||||||
Eotomaria prisca
(Billings 1859)
|
||||||||||
recombined as Ectomaria prisca | ||||||||||
Ectomaria prisca
(Billings 1859)
|
||||||||||
Lophospira perangulata
(Hall 1847)
|
||||||||||
Lophospira serratula
(Salter 1859)
|
||||||||||
= Lophospira serrulata
Salter 1859
|
Wagner 2023 | |||||||||
Lophospira decursa
Ulrich and Scofield 1897
|
||||||||||
Lophospira conradana
Ulrich and Scofield 1897
|
||||||||||
synonym of Lophospira ventricosa | ||||||||||
Gastropoda
- Murchisoniina
- Trochonematidae
|
||||||||||
Trochonema rugosum
Ulrich and Scofield 1897
|
||||||||||
corrected as Trochonema rugosa | ||||||||||
Trochonema beachi
Whitfield 1878
|
||||||||||
Trochonema unbilicatum
(Hall 1847)
|
||||||||||
recombined as Trochonema umbilicata | ||||||||||
Trochonema beloitense
Whitfield 1878
|
||||||||||
Trochonema vagrans
Ulrich and Scofield 1897
|
||||||||||
Gastropoda
- Murchisoniina
- Gosseletinidae
|
||||||||||
Clathrospira convexa
Ulrich and Scofield 1897
|
||||||||||
recombined as Cataschisma convexum | ||||||||||
Gastropoda
- Murchisoniina
- Eotomariidae
|
||||||||||
Eotomaria vicina
Ulrich and Scofield 1897
|
||||||||||
Eotomaria dryope
(Billings 1865)
|
||||||||||
Clathrospira subconica
(Hall 1847)
|
||||||||||
Liospira obtusa
Ulrich and Scofield 1897
|
||||||||||
Liospira angustata
Ulrich and Scofield 1897
|
||||||||||
Liospira abrupta
Ulrich and Scofield 1897
|
||||||||||
recombined as Paraliospira abrupta | ||||||||||
Eotomaria supracingulata
(Billings 1857)
|
||||||||||
recombined as Paraliospira supracingulata | ||||||||||
Gastropoda
- Murchisoniina
- Hormotomidae
|
||||||||||
Hormotoma gracilis
(Hall 1847)
|
||||||||||
Hormotoma angustata
(Hall 1847)
|
||||||||||
recombined as Hormotoma gracilis angustatus | ||||||||||
Bivalvia
- Nuculida
- Cardiolariidae
|
||||||||||
Deceptrix sp.
Fuchs 1919
|
||||||||||
Bivalvia
- Pholadomyida
|
||||||||||
Sphenolium sp.
Miller 1889
|
||||||||||
Bivalvia
- Myalinida
- Ambonychiidae
|
||||||||||
Ambonychiopsis sp.
Isberg 1934
|
||||||||||
Cleionychia sp.
Ulrich 1892
|
||||||||||
Bivalvia
- Cyrtodontida
- Cyrtodontidae
|
||||||||||
Cyrtodonta sp.
Billings 1858
|
||||||||||
Cyrtodontula sp.
Tomlin 1931
|
||||||||||
Vanuxemia sp.
Billings 1858
|
||||||||||
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: | Blackriveran |
Key time interval: | Blackriveran | ||
Age range of interval: | 457.00000 - 449.80000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Pecatonica |
Stratigraphic resolution: | formation |
Lithology and environment
Primary lithology: | "limestone" |
Includes fossils? | Y |
Environment: | carbonate indet. |
Geology comments: Lithology and environment taken from Kolata, D. R. "Lithostratigraphy of the Plateville, Galena and Maquoketa Groups in Northern Illinois." Middle and Late Ordovician Lithostratigraphy and Biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35, p. 21-24. R. E. Sloan, ed. |
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: | 23614 | ||
Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
Modifier: | S. Holland | Research group: | marine invertebrate |
Created: | 2002-07-17 14:31:33 | Last modified: | 2004-10-22 11:28:22 |
Access level: | the public | Released: | 2002-07-17 14:31:33 |
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] |