Sardeson Collection, Ion Formation, Buckhorn Member, Illinois and Iowa: Kirkfieldian, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Rosticellula colei
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Trilobita
- Phacopida
- Cheiruridae
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Acanthoparypha evetti
(Chatterton and Ludvigsen 1976)
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| original and current combination Acanthoparypha evitti | ||||||||||
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Trilobita
- Phacopida
- Pterygometopidae
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Eomonorachus intermedius
(Walcott 1879)
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Sceptaspis lincolnensis
(Branson 1909)
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Trilobita
- Asaphida
- Asaphidae
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Isotelus gigas
(Dekay 1824)
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| recombined as Asaphus gigas | ||||||||||
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Trilobita
- Corynexochida
- Illaenidae
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Thaleops sp.
Conrad 1843
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Bumastoides porrectus
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides anthonense
(Sardeson 1894)
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Plaesiomys meedsi
(Winchell and Schuchert 1892)
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| recombined as Dinorthis meedsi | ||||||||||
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Rhynchonellata
- Orthida
- Glyptorthidae
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Glyptorthis bellarugosa
(Conrad 1843)
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Rhynchonellata
- Orthida
- Hesperorthidae
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Hesperorthis tricenaria
(Conrad 1843)
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Rhynchonellata
- Orthida
- Platystrophiidae
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Platystrophia trentonensis
McEwan 1919
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Platystrophia amoena
McEwan 1919
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Rhynchonellata
- Orthida
- Dalmanellidae
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Paucicrura rogata
(Sardeson 1892)
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Dalmanella cf. rara
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Dalmanella ? sculpta
Cooper 1956
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Rhynchonellata
- Orthida
- Draboviidae
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Pionodema circularis
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Pionodema subaequata
(Conrad 1843)
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? Diorthelasma weissi
Rice 1987
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Rhynchonellata
- Atrypida
- Anazygidae
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Zygospira recurvirostris
(Hall 1847)
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| recombined as Anazyga recurvirostra | ||||||||||
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Rhynchonellata
- Atrypida
- Septatrypidae
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Idiospira panderi
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Rhynchonellata
- Rhynchonellida
- Rhynchotrematidae
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Rhynchotrema ainsliei
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Rhynchotrema wisconsinense
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Rhynchonellata
- Pentamerida
- Parastrophinidae
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Parastrophina rotundiformis
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Strophomenata
- Strophomenida
- Furcitellidae
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Oepikina inquassa
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| original and current combination Opikina | ||||||||||
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Oepikina minnesotensis
(Winchell 1881)
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Rafinesquina trentonensis
(Hall 1847)
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Strophomenata
- Strophomenida
- Strophomenidae
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Bellimurina charlottae
(Winchell and Schuchert 1892)
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| recombined as Bellimurina (Bellimurina) charlottae | ||||||||||
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Strophomena filitexta
(Hall 1847)
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Strophomena septata
Winchell and Schuchert 1892
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Strophomenata
- Strophomenida
- Sowerbyellidae
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Sowerbyella curdsvillensis
(Foerste 1912)
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Craniata
- Craniida
- Craniidae
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Acanthocrania setigeria
(Hall 1866)
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| recombined as Acanthocrania setigera | ||||||||||
| [entered as Acanthocrania setigera] | ||||||||||
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Petrocrania trentonensis
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Petrocrania halli
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Lingulata
- Lingulida
- Trematidae
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Schizocrania filosa
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Trematis huronensis
Billings 1865
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Lingulata
- Lingulida
- Pseudolingulidae
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? Pseudolingula iowensis
(Owen 1844)
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Lingulata
- Lingulida
- Obolidae
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Pachyglossella elderi
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| 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 |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 23797 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-21 13:07:56 | Last modified: | 2004-10-22 12:57:58 |
| Access level: | the public | Released: | 2002-07-21 13:07:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6752. | J. A. Catalani. 1987. Biostratigraphy of the Middle and Late Ordovician cephalopods of the Upper Mississippi Valley area. In R. E. Sloan (ed.), Middle and Late Ordovician lithostratigraphy and biostratigraphy of the Upper Mississippi Valley: Minnesota Geological Survey Report of Investigations 35 187-189 [S. Holland/T. Hanson/S. Bruning] |