76 Falls (Fort Payne Fm., Clinton Co., KY): Chadian - Arundian, Kentucky

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea - Monobathrida - Coelocrinidae
Agaricocrinus americanus
Agaricocrinus crassus
see common names

Geography
Country:United States State/province:Kentucky County:Clinton
Coordinates: 36.8° North, 85.2° West (view map)
Paleocoordinates:20.7° South, 33.0° West
Basis of coordinate:based on political unit
Time
Period: Carboniferous Epoch: Mississippian
Stage: Visean 10 m.y. bin: Carboniferous 2
Key time interval: Chadian - Arundian Conodont zone:  Gnathodus texanus
Age range of interval: 346.7 - 340.2 m.y. ago
Stratigraphy
Formation:Fort Payne Chert
Stratigraphy comments: JA: late Osagean; the Fort Payne falls entirely within the Gnathodus texanus zone (Ausich and Meyer 1990), which in turn is Chadian to Arundian (Work and Mason 2004)
Lithology and environment
Primary lithology: "carbonate"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Crinoids only
Metadata
Database number:59
Authorizer:J. Alroy Enterer:M. Sommers
Modifier:J. Alroy Research group:marine invertebrate
Collections that are a subset of this one:165192
Created:1998-11-20 10:07:18 Last modified:2009-08-18 20:00:50
Access level:the public Released:2000-11-20 13:53:09
Creative Commons license:CC BY
Reference information

Primary reference:
11. D. L. Meyer and W. I. Ausich. 1997. Morphologic variation within and among populations of the camerate crinoid Agaricocrinus (Lower Mississippian, Kentucky and Tennessee): Breaking the spell of the mushroom. Journal of Paleontology 71(5):896-917 [J. Alroy/M. Sommers/J. Alroy]