USGS 14371, Peyton Creek: Arnsbergian, Arkansas
collected by M. Gordon, R.A. Lewandowski 1953

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Actinocerida - Carbactinoceratidae
Rayonnoceras protentum Gordon 1964
Cephalopoda - Goniatitida - Girtyoceratidae
Eumorphoceras bisulcatum Girty 1909
see common names

Geography
Country:United States State/province:Arkansas
Coordinates: 35.8° North, 92.5° West (view map)
Paleocoordinates:11.0° South, 32.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Serpukhovian 10 m.y. bin:Carboniferous 3
Key time interval:Arnsbergian Ammonoid zone: Eumorphoceras bisulcatum
Age range of interval:327.40000 - 324.00000 m.y. ago
Stratigraphy
Formation:Pitkin
Stratigraphic resolution:group of beds
Stratigraphy comments: Fossils from bluish-gray siltstone loose and in place, 20-29 ft above top of highest limestone in Pitkin limestone.
Lithology and environment
Primary lithology:gray,blue lithified siltstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:M. Gordon, R.A. Lewandowski Collection dates:1953
Metadata
Database number:157881
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-09 21:09:22 Last modified:2014-07-09 21:09:22
Access level:the public Released:2014-07-09 21:09:21
Creative Commons license:CC BY
Reference information

Primary reference:

11419. M. Gordon. 1964. Carboniferous Cephalopods of Arkansas. United States Geological Survey Professional Paper 460:1-322 [J. Alroy/C. Simpson/M. Clapham]