Near Batchtown: Shermanian, Illinois

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rostroconchia - Conocardiida - Bransoniidae
Gastropoda - Euomphalina - Platyceratidae
Gastropoda - Bellerophontida - Pterothecidae
Gastropoda - Bellerophontida - Bucaniidae
Bucania n. ssp. punctifrons primaeva
Bivalvia - Solemyida - Ctenodontidae
Stenolaemata - Cryptostomata - Escharoporidae
Trilobita - Phacopida - Pterygometopidae
Trilobita - Phacopida - Cheiruridae
Heliomera raymondi Bradley 1930
Trilobita - Phacopida - Encrinuridae
Trilobita - Harpetida - Harpetidae
Trilobita - Lichida - Lichidae
Trilobita - Corynexochida - Styginidae
Trilobita - Corynexochida - Illaenidae
Bumastus billingsi Raymond and Narraway 1908
Trilobita - Proetida - Otarionidae
Trilobita - Proetida - Proetidae
Trilobita - Asaphida - Remopleurididae
Trilobita - Asaphida - Asaphidae
Isotelus gigas (Dekay 1824)
Isotelus maximus Locke 1838
Homotelus laeviurus Raymond 1921
see common names

Geography
Country:United States State/province:Illinois County:Calhoun
Coordinates: 39.1° North, 90.7° West (view map)
Paleocoordinates:13.8° South, 117.4° West (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:local area
Time
Period: Ordovician Epoch: Late Ordovician
10 m.y. bin: Ordovician 4-5
Key time interval: Shermanian
Age range of interval: 457.3 - 449.6 m.y. ago
Stratigraphy
Formation:Kimmswick limestone
Stratigraphy comments: " [...] Kimmswick limestone of Missouri [...] "; The Kimmswick ls. is Trentonian according to Esker, III & Levin (1964, J. Paleont. 38(4)) and Parsley & Mintz (1975, Bull. Amer. Paleont. 68).
Lithology and environment
Primary lithology: "limestone"
Environment:carbonate indet. Tectonic setting:foreland basin
Taphonomy
Modes of preservation:body,cast
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:FMNH,USNM
Metadata
Also known as:1 mile north of Batchtown according to Pojeta & Runnegar 1976
Database number:154952
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2014-03-23 14:34:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2014-03-23 14:34:07
Creative Commons license:CC0
Reference information

Primary reference:
15774. J. H. Bradley. 1930. The fauna of the Kimmswick limestone of Missouri and Illinois. Contributions from the Walker Museum, University of Chicago 2(6):219-290 [P. Wagner/P. Wagner]

Secondary references:

53465 P. J. Lespérance and D. Desbiens. 1995. Selected Ordovician trilobites from the Lake St. John District of Quebec and their bearing on systematics. Paleontological Society Memoir 42:1-19 [P. Wagner/P. Wagner]