USGS 15947, Marshall: Pendleian, Arkansas
collected by M. Gordon, R.A. Lewandowski 1955

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Goniatitida - Girtyoceratidae
Eumorphoceras (Edmooroceras) plummeri (Miller and Youngquist 1949)
Cephalopoda - Goniatitida - Glaphyritidae
Paracravenoceras ozarkense Gordon 1960
Cephalopoda - Nautilida - Tainoceratidae
Tylonautilus gratiosus (Girty 1909)
see common names

Geography
Country:United States State/province:Arkansas County:Searcy
Coordinates: 35.9° North, 92.6° West (view map)
Paleocoordinates:10.8° 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:Pendleian Ammonoid zone: Eumorphoceras milleri
Age range of interval:330.90000 - 327.40000 m.y. ago
Stratigraphy
Formation:Fayetteville
Stratigraphic resolution:group of beds
Stratigraphy comments: Fossiliferous 2- to 3-in. limestone bed, 1 ft below 11-ft limestone bed. Fayetteville shale, 211 ft above base and 66 ft below top.
Lithology and environment
Primary lithology: lithified "limestone"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:USNM
Collectors:M. Gordon, R.A. Lewandowski Collection dates:1955
Metadata
Database number:157995
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2014-07-13 11:28:28 Last modified:2014-07-13 11:28:28
Access level:the public Released:2014-07-13 11:28:28
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]