Blue Hills 1, UCMP V7307, V7308: Norian, Arizona
collected 1921, 1923, 1924, 1926, 1981, 1983

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia - Temnospondyli - Metoposauridae
Buettneria perfecta Case 1922
Long and Murry 1995
synonym of Anaschisma browni
UCMP, at least eight skulls (including UCMP 27039, 27051-27053, 37756) and large number of pectoral and other elements
Apachesaurus gregorii Hunt 1993
Long and Murry 1995
UCMP, vertebrae, pectoral elements, limb elements, skull and lower jaw fragments. UCMP 175145, partial skull
Anomodontia - Stahleckeriidae
? Placerias sp. Lucas 1904
Long and Murry 1995 1 element
UCMP 27155, occipital condyle
Reptilia
Desmatosuchus haplocerus (Cope 1892)
Parker 2005
nomen dubium belonging to Aetosauria
? Tecovasuchus sp. Martz and Small 2006
Heckert et al. 2007 1 specimen
UCMP 7307/27049
Stagonolepis wellesi (Long and Ballew 1985)
Long and Murry 1995 2 individuals
original and current combination Calyptosuchus wellesi
UCMP 27225, much of a carapace. UCMP 27158, two plates
Acaenasuchus geoffreyi n. gen., n. sp. Long and Murry 1995
Long and Murry 1995 45 elements
UCMP 7308/139576 (holotype), paramedian plate. UCMP 7308/139577-139588, 139590-139621, plates
Reptilia - Parasuchidae
Leptosuchus sp. Case 1922
Long and Murry 1995 3 individuals
UCMP 27048, 27160, 27159, partial skulls
Machaeroprosopus zunii n. sp. Camp 1930
1 individual
synonym of Smilosuchus adamanensis
UCMP 27036, large postcranial skeleton
Reptilia
Parrishia mccreai Long and Murry 1995
Long and Murry 1995 1 element
nomen dubium belonging to Archosauria
UCMP cervical centrum
Prosauropoda indet. Huene 1920
12 specimens
UCMP 7307/139563-139575, teeth. Squamosal and multiple small plates previously identified as juvenile Stagonolepis are also referable to this taxon
    = Revueltosaurus callenderi Hunt 1989
Long and Murry 1995
    = Ornithischia indet. Seeley 1888
Hunt et al. 1998
    = Revueltosaurus hunti Heckert 2002
Heckert 2002
recombined as Krzyzanowskisaurus hunti
see common names

Geography
Country:United States State/province:Arizona County:Apache
Coordinates: 34.5° North, 109.3° West (view map)
Paleocoordinates:10.1° North, 48.0° 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Basis of coordinate:unpublished field data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:228.00000 - 208.50000 m.y. ago
Stratigraphy
Formation:Chinle Member:Blue Mesa
Stratigraphic resolution:group of beds
Stratigraphy comments: Two closely adjacent localities. All Blue Hills localities are in the uppermost Mesa Redondo (= Bluewater Creek) or lowermost Blue Mesa members, principally the latter. Assigned to the Adamanian LVF
Lithology and environment
Primary lithology: not reported
Environment:terrestrial indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Collection dates:1921, 1923, 1924, 1926, 1981, 1983
Metadata
Also known as:St. Johns I
Database number:52499
Authorizer:M. Carrano, R. Butler Enterer:M. Carrano, R. Butler
Modifier:R. Butler Research group:vertebrate
Created:2005-08-09 12:24:57 Last modified:2020-07-13 14:16:55
Access level:the public Released:2005-08-09 12:24:57
Creative Commons license:CC BY
Reference information

Primary reference:

35767. C. L. Camp. 1930. A study of the phytosaurs with description of new material from western North America. University of California Memoirs 10:1-174 [R. Butler/R. Butler]

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]
31634 A. B. Heckert. 2002. A revision of the Upper Triassic ornithischian dinosaur Revueltosaurus, with a description of a new species. In A. B. Heckert & S. G. Lucas (ed.), Upper Triassic Stratigraphy and Palaeontology. New Mexico Museum of Natural History and Science Bulletin 21:253-266 [R. Butler/R. Butler/M. Carrano]
31129 A. B. Heckert and S. G. Lucas. 2002. Acaenasuchus geoffreyi (Archosauria: Aetosauria) from the Upper Triassic Chinle Group: juvenile of Desmatosuchus haplocerus. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology. New Mexico Museum of Natural History and Science Bulletin 21:205-214 [R. Butler/R. Butler]
31633 A. B. Heckert and S. G. Lucas. 2002. Osteoderms of juveniles of Stagonolepis (Archosauria: Aetosauria) from the Lower Chinle Group, east-central Arizona. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Palaeontology, New Mexico Museum of Natural History and Science Bulletin 21:235-239 [R. Butler/R. Butler]
43558 A. B. Heckert, J. A. Spielmann, S. G. and A. P. Hunt. 2007. Biostratigraphic utility of the Upper Triassic aetosaur Tecovasuchus (Archosauria: Stagonolepididae), an index taxon of St. Johnsian (Adamanian: late Carnian) time. New Mexico Museum of Natural History and Science Bulletin 41:51-57 [R. Butler/R. Butler]
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. GĂ©obios 31(4):511-531 [M. Carrano/M. Carrano/J. Alroy]
32304 R. B. Irmis, W. G. Parker, S. J. Nesbitt and J. Liu. 2007. Early ornithischian dinosaurs: the Triassic record. Historical Biology 19(1):3-22 [R. Butler/R. Butler/M. Carrano]
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]
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]
31702 L. E. Zanno, A. B. Heckert, S. E. Krzyzanowski and S. G. Lucas. 2002. Diminutive metoposaurid skulls from the Upper Triassic Blue Hills (Adamanian: latest Carnian) of Arizona. In A. B. Heckert, S. G. Lucas (eds.), Upper Triassic Stratigraphy and Paleontology, New Mexico Museum of Natural History and Science Bulletin 21:121-125 [R. Butler/R. Butler]