Willow Springs 2 (UCMP V82309): Sinemurian - Pliensbachian, Arizona
collected 1982
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Tritylodontidae
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Tritylodontidae indet.
Cope 1884
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2 specimens | |||||||||
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Reptilia
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Theropoda indet.
Marsh 1881
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1 specimen | |||||||||
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= Syntarsus kayentakatae
Rowe 1989
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Rowe 1989 | |||||||||
| UCMP 128659 | ||||||||||
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= Kayentavenator elysiae n. gen., n. sp.
Gay 2010
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Gay 2010 | |||||||||
| UCMP 128659 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Coconino |
| Coordinates: | 35.7° North, 111.1° West (view map) | ||||
| Paleocoordinates: | 19.4° North, 49.8° West | ||||
| Basis of coordinate: | unpublished field data | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Early/Lower Jurassic |
| Key time interval: | Sinemurian - Pliensbachian | ||
| Age range of interval: | 199.50000 - 184.20000 m.y. ago |
Stratigraphy
| Geological group: | Glen Canyon | Formation: | Kayenta | Member: | Silty Facies |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | "cross stratification",medium sandstone |
| Includes fossils? | Y |
| Lithology description: "typical med. sandstone, trough cross-stratified; purple, placer deposits & petrified wood preserved" | |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | UCMP | Collection dates: | 1982 |
Metadata
| Database number: | 51899 | ||
| Authorizer: | M. Carrano, G. Lloyd | Enterer: | M. Carrano, G. Lloyd |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-06-30 08:22:40 | Last modified: | 2020-12-22 13:06:45 |
| Access level: | the public | Released: | 2005-06-30 08:22:40 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 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] |
Secondary references:
| 42503 | R. Gay. 2010. Kayentavenator elysiae, a new tetanuran from the Early Jurassic of Arizona. In R. Gay (ed.), Notes on Early Mesozoic Theropods 27-43 [G. Lloyd/G. Lloyd] | |
| 9476 | T. Rowe. 1989. A new species of the theropod dinosaur Syntarsus from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 9(2):125-136 [M. Carrano/M. Carrano/M. Carrano] |