Glen Park Formation, stratigraphic locality 393 (Brown Branch), Pike Co., IL, Ea: Tournaisian, Illinois
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata
- Orthotetida
- Schuchertellidae
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Schuchertella hardinensis
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Strophomenata
- Strophomenida
- Rugosochonetidae
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Plicochonetes ? glenparkensis
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Rugosochonetes pikensis
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Rugosochonetes cf. gregarius
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Strophomenata
- Strophomenida
- Rafinesquinidae
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Leptagonia cf. missouriensis
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Strophomenata
- Productida
- Sentosiidae
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Sentosia ? ignota
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Strophomenata
- Productida
- Productidae
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Semiproductus sp.
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Mesoplica ? mesicostalis
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Strophomenata
- Productida
- Productellidae
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Orbinaria ? brownensis
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Avonia sp.
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Argentiproductus auriculatus
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Strophomenata
- Productida
- Monticuliferidae
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Ovatia nascens
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Strophomenata
- Productida
- Araksalosiidae
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Whidbornella curtirostris
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Ruthiphiala sublaevis
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Rhynchonellata
- Rhynchonellida
- Rhynchotetradidae
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Paraphorhynchus sp.
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Rhynchonellata
- Rhynchonellida
- Stenoscismatidae
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Sedenticellula hamburgensis
(Weller 1910)
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Rhynchonellata
- Rhynchonellida
- Rhynchoporidae
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Rhynchopora hamburgensis
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Rhynchopora prisca
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Rhipidomella rockportensis
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Rhynchonellata
- Spiriferinida
- Syringothyrididae
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Syringothyris extenuata
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Rhynchonellata
- Spiriferinida
- Dimegelasmidae
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Zeugopleura jeffersonensis
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Rhynchonellata
- Spiriferida
- Eudoxinidae
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Eudoxina subrotunda
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Rhynchonellata
- Spiriferida
- Martiniidae
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Eomartiniopsis kinderhookensis
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Rhynchonellata
- Spiriferida
- Spiriferidae
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Unispirifer senex
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Parallelora nupera
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Rhynchonellata
- Spiriferida
- Brachythyrididae
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Brachythyris hortonensis
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Rhynchonellata
- Spiriferida
- Elythidae
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Kitakamithyris cooperensis
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Rhynchonellata
- Spiriferida
- Mucrospiriferidae
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Tylothyris missouriensis
(Weller 1906)
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Rhynchonellata
- Athyridida
- Athyrididae
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Composita matutina
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Rhynchonellata
- Athyridida
- Meristidae
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Camarophorella cf. buckleyi
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Rhynchonellata
- Terebratulida
- Beecheriidae
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Beecheria paraplicata
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Rhynchonellata
- Terebratulida
- Cranaenidae
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Hamburgia typa
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Rhynchonellata
- Terebratulida
- Cryptonellidae
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Dielasmella compressa
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea sp.
d'Orbigny 1847
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see common names |
Geography
Country: | United States | State/province: | Illinois | County: | Pike |
Coordinates: | 39.6° North, 91.1° West (view map) | ||||
Paleocoordinates: | 21.6° South, 36.9° West | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | outcrop |
Time
Period: | Carboniferous | Epoch: | Early/Lower Mississippian |
Stage: | Tournaisian | 10 m.y. bin: | Carboniferous 1 |
*Period: | Early/Lower Carboniferous | *Epoch: | Early/Lower Tournaisian |
Key time interval: | Tournaisian | ||
Age range of interval: | 358.90000 - 346.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Glen Park | ||||
Local section: | 393 - Brown Branch | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: This formation was previously known as the Horton Creek member of the Hannibal Formation. Due to the existence of a paraconformity between the Devonian-Mississippian contact, the exact stratigraphic position of these beds has been corrected several times since their first description in the early 1900's. Carter contains a complete description of the history of work done on these sections. |
Lithology and environment
Primary lithology: | "limestone" |
Lithology description: carter states that the fossils are found in only one lithology at each collecting locality, often only in one bed. elsewhere in the paper he states by far the most divese fauna occurs in the thin biomicrite at brown branch (sl393) and that adult sized brachiopods were found in the arenaceous limestone at this locality. and in the stratigraphic localities section, he describes this locality as a basal micritic limestone bed with geodes and conglomeratic clasts at east end of bluff highly fossiliferous. however, in general, the formation is described as containing fossils (brachiopods in particular) in biomicrite, oosparite, silty dolomite or dolomitic limestone, and calcareous sandstone or arenaceous limestone. | |
Environment: | shallow subtidal indet. |
Taphonomy
Modes of preservation: | body |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | survey of museum collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: This collection from the Carnegie Museum of Natural History and the Illinois State Geological Survey. | |
Taxonomic list comments:Although molluscs are abundant at the type section of the formation and other macro invertebrates are very rare, only the brachiopod data are reported in this list. |
Metadata
Database number: | 5795 | ||
Authorizer: | A. Miller | Enterer: | D. Carlson |
Modifier: | C. Ferguson | Research group: | marine invertebrate |
Created: | 1999-12-02 14:45:15 | Last modified: | 2004-03-13 22:45:01 |
Access level: | the public | Released: | 2000-11-20 13:53:28 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
351. | J. L. Carter. 1988. Early Mississippian Brachiopods from the Glen Park Formation of Illinois and Missouri. Bulletin of Carnegie Museum of Natural History (27)1-82 [A. Miller/D. Carlson] |