NMMNH L-420, Garita Creek: Norian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Archosauria indet.
(Cope 1869)
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Database 2010 | 1 specimen | ||||||||
| NMMNH P-17592 | ||||||||||
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Reptilia
- Parasuchidae
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Phytosauridae indet.
Jaeger 1828
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Database 2010 | 1 specimen | ||||||||
| replaced by Mystriosuchinae | ||||||||||
| NMMNH P-17596, jaw fragment | ||||||||||
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Reptilia
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cf. Desmatosuchus sp.
Case 1920
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1 specimen | |||||||||
| NMMNH P-3668, conical spike | ||||||||||
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Typothorax sp.
Cope 1875
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Database 2010 | 1 specimen | ||||||||
| NMMNH P-17568, two paramedian plate fragments | ||||||||||
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Bivalvia
- Unionida
- Unionidae
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Unio sp.
Philipsson 1788
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Database 2010 | 1 specimen | ||||||||
| NMMNH P-3671 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | San Miguel |
| Coordinates: | 35.3° North, 104.4° West (view map) | ||||
| Paleocoordinates: | 10.3° North, 43.8° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | small collection |
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 |
Stratigraphy
| Geological group: | Chinle | Formation: | Garita Creek | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Recent radiometric dating suggests a Norian age for most or all of the Chinle. The Garita Creek Formation was formerly referred to as the "lower shale member of the Chinle Formation" | |||||
Lithology and environment
| Primary lithology: | conglomerate |
| Includes fossils? | Y |
| Lithology description: All specimens are from intraformational conglomerates | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Disassociated minor elements: | some |
| Fragmentation: | frequent |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | NMMNH |
Metadata
| Database number: | 93604 | ||
| Authorizer: | R. Butler | Enterer: | R. Butler | Research group: | vertebrate |
| Created: | 2010-01-26 02:33:13 | Last modified: | 2010-01-26 04:33:13 |
| Access level: | the public | Released: | 2010-01-26 02:33:12 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 31719. | A. P. Hunt, S. G. Lucas, and P. L. Sealey. 1989. Paleontology and vertebrate biochronology of the Upper Triassic Garita Creek Formation, east-central New Mexico. New Mexico Journal of Science 29(2):61-68 [R. Butler/R. Butler] |
Secondary references:
| 31715 | N. M. M. Database. 2010. NMMNH collections database. New Mexico Museum of Natural History and Science [R. Butler/R. Butler] |