USGS 16257, Peyton Creek: Arnsbergian, Arkansas
collected by M. Gordon, H.D. Miser, E.E. Glick, L.G. Henbest, S.E. Frezon 1956

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Goniatitida - Girtyoceratidae
Eumorphoceras bisulcatum Girty 1909
Cephalopoda - Goniatitida - Anthracoceratidae
Anthracoceras paucilobum (Phillips 1836)
original and current combination Goniatites paucilobus
Cephalopoda - Pseudorthocerida - Spyroceratidae
Reticycloceras peytonense Gordon 1964
Reticycloceras croneisi Gordon 1960
Euloxoceras angustius Gordon 1964
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:Imo
Stratigraphic resolution:group of beds
Stratigraphy comments: Imo formation, 5-30 ft above top of second sandstone bed.
Lithology and environment
Primary lithology: lithified "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:M. Gordon, H.D. Miser, E.E. Glick, L.G. Henbest, S.E. Frezon Collection dates:1956
Metadata
Database number:157997
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-13 11:52:42 Last modified:2014-07-13 11:52:42
Access level:the public Released:2014-07-13 11:52:42
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]