Peru, Atchison shale: Kasimovian, Nebraska
collected by Professor Barbour

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Petalodontiformes - Petalodontidae
Chomatodus arcuatus St. John 1870
recombined as Petalodus arcuatus
Chondrichthyes - Petalodontiformes - Janassidae
Fissodus inaequalis (Stjohn and Worthen 1875)
see common names

Geography
Country:United States State/province:Nebraska
Coordinates: 39.1° North, 95.7° West (view map)
Paleocoordinates:2.2° South, 28.1° West
Time
Period:Carboniferous Epoch:Late/Upper Pennsylvanian
Stage:Kasimovian 10 m.y. bin:Carboniferous 5
Key time interval:Kasimovian
Age range of interval:307.00000 - 303.70000 m.y. ago
Stratigraphy
Stratigraphy comments: Atchison shale
Lithology and environment
Primary lithology: "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Professor Barbour
Metadata
Database number:132974
Authorizer:M. Clapham Enterer:P. Vazquez
Research group:vertebrate
Created:2012-08-30 09:59:30 Last modified:2013-11-25 13:02:06
Access level:the public Released:2012-08-30 09:59:30
Creative Commons license:CC BY
Reference information

Primary reference:

42819. C. R. Eastman. 1903. Carboniferous fishes from the central western States. Bulletin of the Museum of Comparative Zoology 39:163-226 [M. Clapham/P. Vazquez/M. Clapham]