Agate Bridge N, PFV 161: Norian, Arizona
collected by MNA, UCMP 1978-, 1982-

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Equisetopsida - Araucariaceae
Araucarioxylon arizonicum Knowlton 1888
Ash and Creber 2000
Amphibia - Temnospondyli - Metoposauridae
Buettneria perfecta Case 1922
Long and Murry 1995 1 element
synonym of Anaschisma browni
UCMP 129827, interclavicle
Reptilia
Trilophosaurus sp. Case 1928
Long and Murry 1995 1 specimen
UCMP, caudal vertebrae, NMMNH, two caudal vertebrae
    = Reptilia indet. Laurenti 1768
Parker and Irmis 2005
Reptilia indet. Laurenti 1768
Long and Murry 1995
Reptilia - Parasuchidae
Leptosuchus sp. Case 1922
Long and Murry 1995 1 specimen
UCMP 129823, left scapula
Reptilia
Postosuchus kirkpatricki Chatterjee 1985
Long and Murry 1995 3 specimens
UCMP 126747, partial pelvis. PEFO 9335, dorsal vertebrae. PEFO 34044, left and right postorbitals
Stagonolepis wellesi (Long and Ballew 1985)
Long and Murry 1995 3 specimens
original and current combination Calyptosuchus wellesi
UCMP 126906, 126864, paramedian and lateral plates. UCMP 126874, left coracoid
Desmatosuchus haplocerus (Cope 1892)
Long and Murry 1995
nomen dubium belonging to Aetosauria
UCMP, plate fragments
see common names

Geography
Country:United States State/province:Arizona County:Apache
Coordinates: 34.9° North, 109.8° West (view map)
Paleocoordinates:10.6° North, 48.3° West
Basis of coordinate:estimated from map
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:Blue Mesa
Stratigraphic resolution:bed
Stratigraphy comments: At the top of Blue Mesa Member. Near base of black/grey siltstone, approximately 6 m below Sonsela Sandstone (see Parker & Irmis 2005: fig. 8)
Lithology and environment
Primary lithology:black siltstone
Includes fossils?Y
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 excludes:all macrofossils
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:NMMNH,UCMP
Collectors:MNA, UCMP Collection dates:1978-79, 1982-85
Metadata
Also known as:PEFO 85065, UCMP V82239, MNA 302/53
Database number:57683
Authorizer:M. Carrano, R. Butler, M. Uhen Enterer:K. Maguire, R. Butler, M. Carrano, M. Uhen
Modifier:R. Butler Research group:vertebrate
Created:2005-12-16 11:02:09 Last modified:2010-01-19 10:23:06
Access level:the public Released:2005-12-16 11:02:09
Creative Commons license:CC BY
Reference information

Primary reference:
15512.ETE W. Parker and R. B. Irmis. 2005. Advances in Late Triassic vertebrate paleontology based on new material from Petrified Forest National Park, Arizona. Vertebrate Paleontology in Arizona, New Mexico Museum of Natural History and Science Bulletin 29:45-58 [M. Carrano/K. Maguire/M. Carrano]

Secondary references:

36493 S. R. Ash and G. T. Creber. 2000. The late Triassic Araucarixylon arizonicum trees of the Petrified Forest National Park Arizona, USA. Palaeontology 43(1):15-28 [M. Uhen/M. Uhen/M. Uhen]
14122ETE R. A. Long and P. A. Murry. 1995. Late Triassic (Carnian and Norian) Tetrapods from the Southwestern United States. New Mexico Museum of Natural History and Science Bulletin 4:1-254 [M. Carrano/M. Carrano/P. Wagner]
16671ETE W. G. Parker. 2002. Correlation of locality numbers for vertebrate fossil sites in Petrified Forest National Park, Arizona. A. B. Heckert & S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology. New Mexico Museum of Natural History and Science Bulletin 21:37-42 [M. Carrano/M. Carrano]
35610 J. C. Weinbaum. 2011. The skull of Postosuchus kirkpatricki (Archosauria: Paracrocodyliformes) from the Upper Triassic of the United States. PaleoBios 30(1):18-44 [R. Butler/R. Butler]