Sardeson Collection, Grand Detour Formation, Illinois and Iowa: Blackriveran, Illinois, Iowa
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Craniata
- Craniida
- Craniidae
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Petrocrania trentonensis
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Acanthocrania granulosa
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Acanthocrania setigeria
(Hall 1866)
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| [entered as Acanthocrania setigera] | ||||||||||
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea cf. lamellosa
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Lingulata
- Lingulida
- Trematidae
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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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Pseudolingula eva
(Billings 1861)
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Lingulata
- Lingulida
- Obolidae
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Pachyglossella elderi
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Lingulata
- Siphonotretida
- Siphonotretidae
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Schizambon sp.
Walcott 1884
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Rostricellula minnesotensis
(Sardeson 1892)
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Rhynchonellata
- Protorthida
- Skenidiidae
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Skenidioides anthonense
(Sardeson 1894)
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Rhynchonellata
- Atrypida
- Protozygidae
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Protozyga nicolleti
(Winchell and Schuchert 1892)
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Rhynchonellata
- Orthida
- Draboviidae
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Pionodema conradi
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Rhynchonellata
- Orthida
- Plectorthidae
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Doleroides pervetus
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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
- Plaesiomyidae
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Campylorthis deflecta
(Conrad 1843)
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Strophomenata
- Strophomenida
- Strophomenidae
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Strophomena cf. plattinensis
Fenton 1928
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Strophomenata
- Strophomenida
- Furcitellidae
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Oepikina minnesotensis
(Winchell 1881)
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Trigrammaria winchelli
(Hall and Clarke 1892)
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Trilobita
- Asaphida
- Asaphidae
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Basiliella barrandi
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Isotelus simplex
(Raymond and Narraway 1910)
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Trilobita
- Corynexochida
- Illaenidae
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Thaleops ovata
Conrad 1843
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Illaenus sp.
Dalman 1827
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Bumastoides milleri
(Billings 1859)
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Trilobita
- Proetida
- Bathyuridae
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Raymondites longispinus
(Walcott 1876)
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Trilobita
- Phacopida
- Cheiruridae
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Gabriceraurus mifflinensis
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Ceraurinella templetoni
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Ceraurinella scofieldi
(Clarke 1897)
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Trilobita
- Phacopida
- Pterygometopidae
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Sceptaspis lincolnensis
(Branson 1909)
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Trilobita
- Lichida
- Lichidae
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Amphilichas sp.
Raymond 1905
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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 |
Time
| Period: | Ordovician | Epoch: | Late 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 - 449.8 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Grand Detour |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | "limestone" |
| Includes fossils? | Y |
| Environment: | carbonate indet. |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 23791 | ||
| Authorizer: | S. Holland | Enterer: | T. Hanson |
| Modifier: | S. Holland | Research group: | marine invertebrate |
| Created: | 2002-07-20 21:24:13 | Last modified: | 2004-10-22 11:32:43 |
| Access level: | the public | Released: | 2002-07-20 21:24:13 |
| 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] |