ammonites

White River (=ARC-15, coll. R.H. Mapes): Chesterian, Arkansas

Where & when
Geology
Taphonomy & methods
Metadata & references
Geography
Country:United States State/province:Arkansas County:Madison
Coordinates: 35.9° North, 94.0° West (view map)
Paleocoordinates:12.2° South, 35.6° West
Geographic resolution:local area
Time
Period:Carboniferous
Key time interval:Chesterian
Age range of interval:339.4 - 318.1 m.y. ago
Stratigraphy
Formation:Fayetteville
Lithology and environment
Primary lithology: poorly lithified claystone
Secondary lithology:nodular lithified "limestone"
Environment:marine indet. Tectonic setting:deep ocean basin
Taphonomy
Modes of preservation:concretion
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:92183
Authorizer:B. Kröger Enterer:B. Kröger
Research group:marine invertebrate
Created:2009-11-03 00:39:02 Last modified:2009-11-03 00:39:02
Access level:the public Released:2009-11-03 00:39:02
Reference information
Primary reference:
30544 B. Kröger and R. H. Mapes. 2005. Revision of some common Carboniferous genera of North American orthocerid nautiloids. Journal of Paleontology 79(5):1002-1011 [M. Clapham/M. Clapham]