Sonsela "Nicrosaurus": Norian, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Parasuchidae
Nicrosaurus sp. Fraas 1866
1 specimen
PEFO 31218, partial skull
    = Pseudopalatus sp. Mehl 1928
Parker 2005
see common names

Geography
Country:United States State/province:Arizona County:Navajo
Coordinates: 34.8° North, 109.9° West (view map)
Paleocoordinates:10.5° North, 48.4° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Triassic Epoch: Late Triassic
Stage: Norian 10 m.y. bin: Triassic 4
Key time interval: Norian
Age range of interval: 227 - 208.5 m.y. ago
Stratigraphy
Formation:Chinle Member:Sonsela
Stratigraphic resolution:bed
Stratigraphy comments: upper Sonsela Member; Revueltian LVF
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:coarse channel fill
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Associated major elements:some
Fragmentation:occasional
Temporal resolution:snapshot
Collection methods and comments
Collection methods:surface (in situ),observed (not collected)
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:93491
Authorizer:R. Butler Enterer:R. Butler
Modifier:R. Butler Research group:vertebrate
Created:2010-01-20 01:23:48 Last modified:2010-01-20 03:29:05
Access level:the public Released:2010-01-20 01:23:48
Creative Commons license:CC BY
Reference information

Primary reference:

31636. A. P. Hunt, S. G. Lucas, and A. B. Heckert. 2002. A Revueltian (Norian) phytosaur from the Sonsela Member of the Petrified Forest Formation (Chinle Group: Upper Triassic), Petrified Forest National Park, Arizona. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:165-169 [R. Butler/R. Butler]

Secondary references:

31632 W. G. Parker. 2005. Faunal review of the Upper Triassic Chinle Formation of Arizona. In R. D. McCord (ed.), Vertebrate Paleontology of Arizona, Mesa Southwest Museum Bulletin 11:34-54 [R. Butler/R. Butler]