SP-1-132: Whiterockian, Oklahoma
collected by F.C. Shaw 1970

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
f category
Trilobita - Harpetida - Harpetidae
Hibbertia sp. Jones and Woodward 1899
f category
Trilobita - Phacopida - Cheiruridae
Ceraurinella sp. Cooper 1953
f category
see common names

Geography
Country:United States State/province:Oklahoma County:Carter
Coordinates: 34.4° North, 97.1° West (view map)
Paleocoordinates:21.9° South, 78.3° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician
10 m.y. bin:Ordovician 2-4
Key time interval:Whiterockian
Age range of interval:470.00000 - 457.00000 m.y. ago
Stratigraphy
Geological group:Simpson Formation:McLish
Local section:Highway 77 Local bed:1203 ft
Local order:bottom to top
Lithology and environment
Primary lithology:quartzose sandstone
Secondary lithology: grainstone
Lithology description: "...alternating quartz sands, calcarenites, and shales, many of which are greenish-brown in color."
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:OU
Collectors:F.C. Shaw Collection dates:1970s
Taxonomic list comments:Abundance categories: f = 1-5 specimens; c = 6-10 specimens; a = more than 10 specimens.
Metadata
Database number:105635
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Created:2011-02-23 07:01:13 Last modified:2011-02-22 14:09:15
Access level:the public Released:2011-02-23 07:01:13
Creative Commons license:CC BY
Reference information

Primary reference:

35267. F. C. Shaw. 1974. Simpson Group (Middle Ordovician) trilobites of Oklahoma. Paleontological Society Memoir 6:1-54 [M. Hopkins/M. Hopkins/M. Hopkins]