USGS 12410, Pate Mountain: Brigantian, Arkansas
collected by J.C. Maher 1950

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Goniatitida - Goniatitidae
Goniatites granosus Portlock 1843
Cephalopoda - Goniatitida - Girtyoceratidae
Girtyoceras limatum (Miller and Faber 1892)
recombined as Eumorphoceras (Sulcogirtyoceras) limatum
see common names

Geography
Country:United States State/province:Arkansas
Coordinates: 35.9° North, 92.8° West (view map)
Paleocoordinates:13.2° South, 35.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Carboniferous Epoch:Mississippian
Stage:Visean 10 m.y. bin:Carboniferous 2
Key time interval:Brigantian Ammonoid zone: Goniatites granosus
Age range of interval:336.30000 - 330.90000 m.y. ago
Stratigraphy
Formation:Ruddell
Stratigraphic resolution:group of beds
Stratigraphy comments: Ruddell shale, 9-14.5 ft above top of Boone Formation
Lithology and environment
Primary lithology:black,gray lithified "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body,replaced with limonite
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:J.C. Maher Collection dates:1950
Metadata
Database number:157840
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-06 12:39:31 Last modified:2014-07-06 12:39:31
Access level:the public Released:2014-07-06 12:39:31
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]