Jeremiah's Perch, PFV 278: Norian, Arizona
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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| Marsh and Parker 2020 | ||||||||||
| PEFO 46207, right scapulocoracoid | ||||||||||
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Reptilia
- Coelophysidae
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| 1 individual | ||||||||||
| Parker and Irmis 2005 | ||||||||||
| Loughney et al. 2011 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Arizona | County: | Apache |
| Coordinates: | 35.1° North, 109.8° West (view map) | ||||
| Paleocoordinates: | 10.6° North, 37.6° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 1695 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Late Triassic |
| Stage: | Norian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Norian | ||
| Age range of interval: | 227 - 208.5 m.y. ago |
Stratigraphy
| Formation: | Chinle | Member: | Petrified Forest | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: also listed as Painted Desert Member of Petrified Forest Fm. | |||||
Lithology and environment
| Primary lithology: | gray,green,red claystone |
| Includes fossils? | Y |
| Lithology description: "The fossiliferous layers are laminated light greenish gray (5GY 7/1) claystone, grading upward into variegated light greenish gray, gray (N/5 to N/6), and red (10R 5/1 to 10R 5/2) claystone. These colors are typically produced as reduced iron and manganese are removed during prolonged saturation of sediment." | |
| Environment: | fine channel fill |
| Geology comments: "The Jeremiah’s Perch and RAP Hill sites are developed in two hydromorphic pedofacies that represent zones of groundwater saturation and fluctuation, respectively, associated with floodplain environments. The fossiliferous layers fill localized depressions in the top of a thick succession of fine-grained facies interpreted as of near-channel origin and likely represent shallow floodplain ponds, perhaps associated with abandoned channels" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),field collection,observed (not collected) |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Specimen has never been completely excavated | |
Metadata
| Database number: | 57687 | ||
| Authorizer: | M. Carrano, B. Gee | Enterer: | K. Maguire, M. Carrano, B. Gee |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-12-16 11:38:42 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-12-16 11:38:42 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 17974. | ETE | A. P. Hunt and J. Wright. 1999. New discoveries of Late Triassic dinosaurs from Petrified Forest National Park, Arizona. In V. L. Santucci & L. McClelland (eds.), National Park Service Geologic Resources Division Technical Report NPS/NRGRD/GRDTR-99/03. National Park Service Paleontological Research Volume 4:96-100 [M. Carrano/M. Carrano] |
Secondary references:
| 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] | |
| 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] |