Point Sublime, Grand Canyon north rim: Kungurian, Arizona
collected by Kenneth Allen

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Petalodontiformes - Pristodontidae
Megactenopetalus kaibabanus n. gen., n. sp. David 1944
see common names

Geography
Country:United States State/province:Arizona
Coordinates: 36.2° North, 112.3° West (view map)
Paleocoordinates:10.1° North, 36.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Permian Epoch:Cisuralian
Stage:Kungurian 10 m.y. bin:Permian 2
Key time interval:Kungurian
Age range of interval:279.30000 - 272.30000 m.y. ago
Stratigraphy
Formation:Kaibab Member:Fossil Mountain
Stratigraphic resolution:bed
Stratigraphy comments: Near top of "beta" member
Lithology and environment
Primary lithology: lithified "limestone"
Environment:shallow subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Kenneth Allen
Metadata
Database number:90277
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:vertebrate
Created:2009-07-15 12:58:20 Last modified:2013-11-25 13:02:06
Access level:the public Released:2009-07-15 12:58:20
Creative Commons license:CC BY
Reference information

Primary reference:

18318. L. R. David. 1944. A Permian shark from the Grand Canyon. Journal of Paleontology 18(1):90-93 [C. Bell/C. Bell]