Sloan Canyon, NMMNH Loc. 325: Norian, New Mexico
collected by A. Hunt & S. Lucas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Ostracoda
- Podocopida
- Darwinulidae
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Darwinula sp.
Brady and Robertson 1885
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| "two species" | ||||||||||
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Ostracoda
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Gerdalia sp.
Belousova 1961
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| "two species" | ||||||||||
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Chondrichthyes
- Hybodontiformes
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Lissodus sp.
Brough 1935
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| "new species" | ||||||||||
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Reptilia
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Archosauria indet.
(Cope 1869)
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Reptilia
- Pterosauria
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? Pterosauria indet.
Kaup 1834
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1 specimen | |||||||||
| tooth | ||||||||||
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Reptilia
- Parasuchidae
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Phytosauridae indet.
Jaeger 1828
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| replaced by Mystriosuchinae | ||||||||||
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Actinopteri
- Semionotiformes
- Semionotidae
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Semionotidae indet.
Woodward 1890
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Palaeonisciformes
- Redfieldiidae
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Redfieldiidae indet.
Hutchinson 1973
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Union |
| Coordinates: | 36.9° North, 103.2° West (view map) | ||||
| Paleocoordinates: | 11.8° North, 42.6° West | ||||
| Basis of coordinate: | stated in text | ||||
| 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: | 227.00000 - 208.50000 m.y. ago |
Stratigraphy
| Geological group: | Chinle | Formation: | Sloan Canyon | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Apachean | |||||
Lithology and environment
| Primary lithology: | conglomerate |
| Includes fossils? | Y |
| Lithology description: "a well-sorted intraformational conglomerate" | |
| Environment: | lacustrine indet. |
| Geology comments: "a lacustine-beach deposit" | |
Taphonomy
| Modes of preservation: | body |
| Lagerst�tten type: | concentrate |
| Degree of concentration: | concentrated |
| Size of fossils: | mesofossils |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Rock censused: | 550 kg |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | NMMNH |
| Collectors: | A. Hunt & S. Lucas |
Metadata
| Also known as: | NMMNH L-325, Sloan Creek | ||
| Database number: | 83740 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2008-08-28 14:28:58 | Last modified: | 2021-09-28 21:34:23 |
| Access level: | the public | Released: | 2008-08-28 14:28:58 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 28078. | ETE | A. P. Hunt and S. G. Lucas. 1993. Late Triassic microvertebrate localities in New Mexico (USA): implications for paleoecology. In S. G. Lucas and M. Morales (eds.), The Nonmarine Triassic. New Mexico Museum of Natural History and Science Bulletin 3:187-191 [M. Carrano/M. Carrano] |
Secondary references:
| 78209 | J. T. Gregory. 1972. Vertebrate faunas of the Dockum Group, Triassic, eastern New Mexico and west Texas. In V. C. Kelly & F. D. Trauger (ed.), New Mexico Geological Society, 23rd Field Conference, East Central New Mexico. New Mexico Geological Society Guidebook 23:120-123 [M. Carrano/M. Carrano] | |
| 24941 | ETE | A. B. Heckert and S. G. Lucas. 2006. Micro- and small vertebrate biostratigraphy and biochronology of the Upper Triassic Chinle Group, southwestern USA. In J. D. Harris, S. G. Lucas, J. A. Spielmann, M. G. Lockley, A. R. C. Milner, J. I. Kirkland (eds.), The Triassic-Jurassic Terrestrial Transition. New Mexico Museum of Natural History and Science Bulletin 37:94-104 [M. Carrano/M. Carrano/P. Wagner] |