Tanner's Crossing, MNA 491: Norian, Arizona

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Metoposauridae
Metoposauridae indet. Watson 1919
2 individuals
MNA V. 703, occipital condyle. MNA V. 704, skull fragments
Buettneria perfecta Case 1922
4 specimens
synonym of Anaschisma browni
MNA V. 701, skull. MNA V. 705, 706, 707, clavicle and interclavicles
Reptilia - Parasuchia
Parasuchia indet. (Huxley)
4 specimens
synonym of Phytosauria
MNA pl. 691, tooth. MNA pl. 694, distal tibia. MNA Pl. 698, proximal femur. MNA Pl. 699, left femur
see common names

Geography
Country:United States State/province:Arizona County:Coconino
Coordinates: 35.9° North, 111.4° West (view map)
Paleocoordinates:11.7° North, 49.4° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Triassic Epoch:Late/Upper Triassic
Stage:Norian 10 m.y. bin:Triassic 4
Key time interval:Norian
Age range of interval:227.00000 - 208.50000 m.y. ago
Stratigraphy
Formation:Chinle Member:Cameron
Stratigraphic resolution:member
Stratigraphy comments: Probably derived from the Cameron Member, also referred to as the Cameron Formation. Some of the material may have been collected from the Shinarump or Blue Mesa members
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Disassociated major elements:some
Disassociated minor elements:some
Collection methods and comments
Collection methods:survey of museum collection
Reason for describing collection:taxonomic analysis
Collection method comments: MNA: Museum of Northern Arizona
Metadata
Database number:93569
Authorizer:R. Butler Enterer:R. Butler
Modifier:M. Carrano Research group:vertebrate
Created:2010-01-25 07:48:34 Last modified:2012-04-09 17:01:29
Access level:the public Released:2010-01-25 07:48:34
Creative Commons license:CC BY
Reference information

Primary reference:
31699. A. B. Heckert, S. G. Lucas, and J. W. Estep. 2002. Lower Chinle Group (Upper Triassic: Upper Carnian) tetrapods from the vicinity of Cameron, Arizona. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:73-76 [R. Butler/R. Butler]