USGS 8774, Batesville: Brigantian, Arkansas
collected by H.D. Miser, M. Gordon, T.A. Hendricks 1940

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Goniatitida - Delepinoceratidae
Goniatites choctawensis Shumard 1863
recombined as Choctawites choctawensis
Cephalopoda - Goniatitida - Neoglyphioceratidae
Neoglyphioceras subcirculare (Miller 1889)
recombined as Lusitanites subcircularis
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: 35.8° North, 91.6° West (view map)
Paleocoordinates:13.9° South, 34.7° 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:bed
Stratigraphy comments: Ruddell shale, phosphatic and clay-ironstone nodule zone in the middle part.
Lithology and environment
Primary lithology:nodular,phosphatic lithified "shale"
Lithology description: Zone of phosphatic nodules
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:H.D. Miser, M. Gordon, T.A. Hendricks Collection dates:1940
Metadata
Database number:157818
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-04 21:18:29 Last modified:2014-07-04 21:18:29
Access level:the public Released:2014-07-04 21:18:29
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]