Inadvertent Hills, UCMP V82250: Norian, Arizona
collected by A. & R. Preston 1982

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnomorpha - Arganodontidae
Arganodus sp. Martin 1979
Long and Murry 1995
Traversodontidae
Traversodontidae indet. Huene 1936
Long and Murry 1995
Reptilia
Reptilia indet. Laurenti 1768
Loughney et al. 2011
Vancleavea campi Long and Murry 1995
Nesbitt et al. 2009 5 specimens
PEFO 34170, caudal centrum; UCMP 152662, femur; UCMP 165196, basioccipital; UCMP 165197, partial ilium; UCMP 165199, centrum
Reptilia - Staurikosauridae
Staurikosauridae indet. Galton 1977
Parrish 1991
Proximal end of pubis
Reptilia - Coelophysidae
Coelophysis bauri (Cope 1887)
1 individual
UCMP 129618, posterior portion of a skeleton including most of the pelvic region and hindlimb, "Padian theropod" (3 measurements)
    = Theropoda indet. Marsh 1881
Long and Murry 1995
    = Coelophysis sp. Cope 1889
Nesbitt et al. 2007
    = Coelophysidae indet. Paul 1988
Marsh and Parker 2020
Reptilia
Prosauropoda indet. Huene 1920
Long and Murry 1995
    = Revueltosaurus sp. Hunt 1989
Hunt 1998
Ornithischia indet. Seeley 1888
3 elements
FMNH PR 1697-1699, three teeth
    = Revueltosaurus callenderi Hunt 1989
Padian 1990
Typothorax coccinarum Cope 1875
Long and Murry 1995 4 specimens
UCMP 126950-126952, paramedian and cervical plates. PEFO 4845, cervical centrum
cf. Sphenosuchus sp. Haughton 1915
Parrish 1991 1 specimen
UCMP 129740, partial skeleton
    = Hesperosuchus agilis Colbert 1952
Long and Murry 1995
    = "Hesperosuchus" sp. Colbert 1952
Loughney et al. 2011
Postosuchus kirkpatricki Chatterjee 1985
Long and Murry 1995 1 element
UCMP, proximal left femur
Reptilia - Parasuchidae
Pseudopalatinae indet. Long and Murry 1995
Long and Murry 1995 4 specimens
UCMP 126726, right squamosal. UCMP 126983, squamosals of two individuals. UCMP 129944, proximal right femur. UCMP 129930, ventral scutes
    = Pseudopalatus sp. Mehl 1928
Loughney et al. 2011
synonym of Machaeroprosopus
Amphibia - Temnospondyli - Metoposauridae
Apachesaurus gregorii Hunt 1993
Long and Murry 1995
FMNH, nearly complete skull. UCMP, several dozen centra and lower jaw, plate fragments
Bivalvia - Unionida - Unionidae
Unionidae indet. Rafinesque 1820
Parrish 1991
Gastropoda
Gastropoda indet. Cuvier 1795
Parrish 1991
see common names

Geography
Country:United States State/province:Arizona County:Apache
Coordinates: 35.0° North, 109.8° West (view map)
Paleocoordinates:10.7° North, 48.3° West
Basis of coordinate:unpublished field data
Geographic resolution:outcrop
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
Age estimate:213.44 ± 5.16 to 209.95 ± 0.44 Ma (paleomagnetic)
Stratigraphy
Formation:Chinle Member:Petrified Forest
Stratigraphic resolution:member
Stratigraphy comments: "Upper Petrified Forest Formation"; now known as the Petrified Forest Member (Woody 2003) or the Painted Desert Member of the Petrified Forest Formation (Heckert & Lucas 2002).
5-8 m above Painted Desert Sandstone 1.

Kent et al. Petrified Forest Member of the Chinle formation falls between magneto zones PF4n and PF2n (roughly 209.95–213.44Ma)
Lithology and environment
Primary lithology:paleosol/pedogenic,blue mudstone
Includes fossils?Y
Environment:fine channel fill
Geology comments: "proximal floodplain environment, adjacent to a significant crevasse splay"; "channels filled with blue (5RP 6/2 to 10R 4/2) pedogenic mudstone"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:medium
Associated major elements:some
Disassociated major elements:many
Disassociated minor elements:many
Fragmentation:frequent
Collection methods and comments
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:FMNH,UCMP
Collectors:A. & R. Preston Collection dates:1982
Collection method comments: discovered by Ann & Robert Preston
Metadata
Also known as:Dinosaur Hill, PFV 40, Fossil Cove, Bolt Quarry, FMNH 83-3, PEFO 85119
Database number:49500
Authorizer:M. Carrano, B. Gee, R. Butler Enterer:M. Carrano, R. Butler, B. Gee
Modifier:G. Varnham Research group:vertebrate
Created:2005-04-18 08:39:42 Last modified:2022-01-21 10:07:51
Access level:the public Released:2005-04-18 08:39:42
Creative Commons license:CC BY
Reference information

Primary reference:
13247.ETE K. Padian. 1986. On the type material of Coelophysis Cope (Saurischia: Theropoda) and a new specimen from the Petrified Forest of Arizona (Late Triassic: Chinle Formation). In K. Padian (ed.), The Beginning of the Age of Dinosaurs: Faunal Change Across the Triassic–Jurassic Boundary. Cambridge University Press, Cambridge 45-60 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

27981ETE K. D. Angielczyk. 2002. A selective annotation of published Triassic vertebrates from the University of California Museum of Paleontology collection. In A. B. Heckert, S. G. Lucas (eds.), New Mexico Museum of Natural History and Science Bulletin 21:297-301 [M. Carrano/M. Carrano/P. Wagner]
13103 U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano]
31993 A. B. Heckert and H. S. Jenkins. 2005. The microvertebrate fauna of the Upper Triassic (Revueltian) Snyder Quarry, north-central New Mexico. In S. G. Lucas, K. E. Zeigler, V. W. Lueth, & D. E. Owen (eds.), New Mexico Geological Society, 56th Field Conference Guidebook, Geology of the Chama Basin 56:319-334 [R. Butler/R. Butler/M. Carrano]
25555ETE A. B. Heckert and S. G. Lucas. 1998. First use of ornithischian dinosaurs for biostratigraphic zonation of the Upper Triassic. Albertiana 20:58-63 [M. Carrano/M. Carrano]
17975ETE A. P. Hunt. 1998. Preliminary results of the Dawn of the Dinosaurs Project at Petrified Forest National Park, Arizona. . In V. L. Santucci & L. McClelland (eds.), National Park Service Geologic Resources Division Technical Report NPS/NRGRD/GRDTR-98/01. National Park Service Paleontological Research Volume 3:135-137 [M. Carrano/M. Carrano]
13905ETE A. P. Hunt, S. G. Lucas, A. B. Heckert, R. M. Sullivan, and M. G. Lockley. 1998. Late Triassic dinosaurs from the western United States. Géobios 31(4):511-531 [M. Carrano/M. Carrano/J. Alroy]
79159 D. V. Kent, P. E. Olsen, C. Lepre, C. Rasmussen, R. Mundil, G. E. Gehrels, D. Giesler, R. B. Irmis, J. W. Geissman and W. G. Parker. 2019. Magnetochronology of the Entire Chinle Formation (Norian Age) in a Scientific Drill Core From Petrified Forest National Park (Arizona, USA) and Implications for Regional and Global Correlations in the Late Triassic. Geochemistry, Geophysics, Geosystems [P. Mannion/G. Varnham]
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]
78440 K. M. Loughney, D. E. Fastovsky, and W. G. Parker. 2011. Vertebrate fossil preservation in blue paleosols from the Petrified Forest National Park, Arizona, with implications for vertebrate biostratigraphy in the Chinle Formation. Palaios 26(11):700-718 [M. Carrano/M. Carrano/M. Carrano]
75605 A. D. Marsh and W. G. Parker. 2020. New dinosauromorph specimens from Petrified Forest National Park and a global biostratigraphic review of Triassic dinosauromorph body fossils. PaleoBios 37 [B. Gee/B. Gee]
24249ETE S. J. Nesbitt, R. B. Irmis, and W. G. Parker. 2007. A critical re-evaluation of the Late Triassic dinosaur taxa of North America. Journal of Systematic Palaeontology 5(2):209-243 [M. Carrano/M. Carrano]
31327 S. J. Nesbitt, M. R. Stocker, B. J. Small and A. Downs. 2009. The osteology and relationships of Vancleavea campi (Reptilia: Archosauriformes). Zoological Journal of the Linnean Society 157:814-864 [R. Butler/R. Butler/R. Butler]
14109ETE K. Padian. 1990. The ornithischian form genus Revueltosaurus from the Petrified Forest of Arizona (Late Triassic: Norian; Chinle Formation). Journal of Vertebrate Paleontology 10(2):268-269 [M. Carrano/M. Carrano/M. Carrano]
14007ETE K. Padian and P. E. Olsen. 1989. Ratite footprints and the stance and gait of Mesozoic theropods. In D. D. Gillette and M. G. Lockley (eds.), Dinosaur Tracks and Traces. Cambridge University Press, Cambridge 231-241 [M. Carrano/K. Maguire/M. Carrano]
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]
31615 J. M. Parrish. 1991. A new specimen of an early crocodylomorph (cf. Sphenosuchus sp.) from the Upper Triassic Chinle Formation of Petrified Forest National Park, Arizona. Journal of Vertebrate Paleontology 11:198-212 [R. Butler/R. Butler]
26454ETE J. A. Spielmann, S. G. Lucas, L. F. Rinehart, A. P. Hunt, A. B. Heckert and R. M. Sullivan. 2007. Oldest records of the Late Triassic theropod dinosaur Coelophysis bauri. In S. G. Lucas & J. A. Spielmann (eds.), The Global Triassic. New Mexico Museum of Natural History and Science Bulletin 41:384-401 [M. Carrano/M. Carrano]