UCMP V4214, Moa Ave: Sinemurian - Pliensbachian, Arizona
collected by J. Williams, S. Welles 1940, 1942
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Megalosaurus wetherilli n. sp.
Welles 1954
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3 individuals | |||||||||
recombined as Dilophosaurus wetherilli | ||||||||||
UCMP 37302 (holotype), nearly complete skeleton. UCMP 37303, partial skeleton; third skeleton eroded and not collected | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Arizona | County: | Coconino |
Coordinates: | 36.1° North, 110.3° West (view map) | ||||
Paleocoordinates: | 19.7° North, 49.1° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 1481 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Jurassic | Epoch: | Early/Lower Jurassic |
*Period: | Early/Lower Jurassic | ||
*International age/stage: | Hettangian - Pliensbachian | ||
Key time interval: | Sinemurian - Pliensbachian | ||
Age range of interval: | 199.30000 - 182.70000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Glen Canyon | Formation: | Kayenta | Member: | Silty Facies |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: bed is 120 (or 126) feet above base of Kayenta Formation. |
Lithology and environment
Primary lithology: | blue "shale" |
Secondary lithology: | brown,gray siltstone |
Includes fossils? | Y |
Lithology description: "purplish blocky shale" within Kayenta. Formation overall is the "silty facies" portion, gray and brownish, fine-grained sediments. | |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Spatial orientation: | life position |
Preservation of anatomical detail: | good |
Articulated whole bodies: | all |
Size sorting: | very poor |
Fragmentation: | occasional |
Temporal resolution: | snapshot |
Spatial resolution: | autochthonous |
Collection methods and comments
Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,field collection | ||
Collection size: | 3 individuals | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | UCMP | ||
Collectors: | J. Williams, S. Welles | Collection dates: | 1940, 1942 |
Metadata
Also known as: | Tuba City, Silty Facies, Moenave | ||
Database number: | 13409 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2002-03-19 13:11:07 | Last modified: | 2022-04-29 13:22:46 |
Access level: | the public | Released: | 2002-03-19 13:11:07 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13844. | ETE | S. P. Welles. 1954. New Jurassic dinosaur from the Kayenta Formation of Arizona. Bulletin of the Geological Society of America 65:591-598 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
12373 | J. M. Clark and D. E. Fastovsky. 1986. Vertebrate biostratigraphy of the Glen Canyon Group in northern Arizona. The Beginning of the Age of the Dinosaurs: Faunal change across the Triassic-Jurassic boundary, N. C. Fraser and H.-D. Sues (eds.), Cambridge University Press 285-301 [R. Whatley/R. Whatley/R. Whatley] | |
80483 | J. W. Harshbarger, C. A. Repenning, and J. H. Irwin. 1957. Stratigraphy of the uppermost Triassic and the Jurassic rocks of the Navajo country. United States Geological Survey Professional Paper 291:1-74 [T. Hegna/M. Pankowski/M. Carrano] | |
73901 | A. D. Marsh and T. B. Rowe. 2020. A comprehensive anatomical and phylogenetic evaluation of Dilophosaurus wetherilli (Dinosauria, Theropoda) with descriptions of new specimens from the Kayenta Formation of northern Arizona. Journal of Paleontology 94(Memoir 78):1-103 [M. Carrano/M. Carrano] | |
70308 | P. J. Senter and C. Sullivan. 2019. Forelimbs of the theropod dinosaur Dilophosaurus wetherilli: range of motion, influence of paleopathology and soft tissues, and description of a distal carpal bone. Palaeontologia Electronica 22(2):30A:1-10 [M. Carrano/M. Carrano] | |
76532 | A. L. Titus, K. Knoll, J. J. W. Sertich, D. Yamamura, C. A. Suarez, I. J. Glasspool, J. E. Ginouves, A. K. Lukacic, and E. M. Roberts. 2021. Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness. PeerJ 9:e11013:1-50 [P. Mannion/P. Mannion/M. Carrano] | |
62962 | S. P. Welles. 1972. Dinosaurs come to the Academy. Pacific Discovery 25(5):3-11 [M. Carrano/M. Carrano] | |
5718 | ETE,5% 26900 | S. P. Welles. 1984. Dilophosaurus wetherilli (Dinosauria, Theropoda): osteology and comparisons. Palaeontographica Abteilung A 185:85-180 [M. Carrano/A. Behrensmeyer/J. Alroy] |