I-738: Cassinian, Oklahoma
collected by J. D. Loch
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita
- Asaphida
- Asaphidae
|
||||||||||
Isoteloides peri
Fortey 1979
|
2 individuals | |||||||||
2 cranidia | ||||||||||
Trilobita
- Proetida
- Bathyuridae
|
||||||||||
Punka verecunda
Loch 2007
|
1 individual | |||||||||
1 pygidium | ||||||||||
Petigurus cullisoni
Loch 2007
|
1 individual | |||||||||
1 cranidium | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Oklahoma | County: | Carter |
Coordinates: | 34.4° North, 97.1° West (view map) | ||||
Paleocoordinates: | 21.4° South, 82.1° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Period: | Ordovician | Epoch: | Early/Lower Ordovician |
10 m.y. bin: | Ordovician 1-2 | ||
Key time interval: | Cassinian | Trilobite zone: | Petigurus cullisoni |
Age range of interval: | 482.00000 - 470.00000 m.y. ago |
Stratigraphy
Formation: | Kindblade | ||
Local section: | Interstate-35 | Local bed: | 738 ft |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | lithified lime mudstone |
Secondary lithology: | lithified wackestone |
Lithology description: Within unit 2, described as "Thick- to thin-bedded lime mudstone with common intraclastic wackestone to packstone, uncommon skeletal grainstone, and sparse oolitic grainstone. Poorly fossiliferous. Small stromatolites [at various intervals]." | |
Environment: | shallow subtidal indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | bulk,field collection |
Reason for describing collection: | biostratigraphic analysis |
Collectors: | J. D. Loch |
Metadata
Database number: | 106751 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins |
Modifier: | M. Hopkins | Research group: | marine invertebrate |
Created: | 2011-03-29 02:57:43 | Last modified: | 2011-07-26 17:30:08 |
Access level: | the public | Released: | 2011-03-29 02:57:43 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
35642. | J. D. Loch. 2007. Trilobite biostratigraphy and correlation of the Kindblade Formation (Lower Ordovician) of Carter and Kiowa Counties, Oklahoma. Oklahoma Geological Survey Bulletin 149:1-154 [M. Hopkins/M. Hopkins] |