McConnell I: Kimmeridgian - Tithonian, New Mexico
collected by H. Schwartz & K. Manley
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Sauropoda indet.
Marsh 1878
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1 individual | |||||||||
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Reptilia
- Theropoda
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cf. Allosaurus sp.
Marsh 1877
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| isolated teeth | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | Sandoval |
| Coordinates: | 35.6° North, 106.9° West (view map) | ||||
| Paleocoordinates: | 31.4° North, 54.5° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Jurassic | Epoch: | Late Jurassic |
| Stage: | Kimmeridgian - Tithonian | 10 m.y. bin: | Jurassic 5 - Jurassic 6 |
| Key time interval: | Kimmeridgian - Tithonian | ||
| Age range of interval: | 154.8 - 145 m.y. ago |
Stratigraphy
| Formation: | Morrison | Member: | Brushy Basin | ||
| Local section: | Seismosaurus area | Local bed: | 17 m | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: near top of member; 13 m below MCII site | |||||
Lithology and environment
| Primary lithology: | green silty claystone |
| Includes fossils? | Y |
| Lithology description: "silty olive claystone" | |
| Environment: | crevasse splay |
| Geology comments: "part of a thick floodplain-overbank sequence" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collectors: | H. Schwartz & K. Manley |
Metadata
| Also known as: | MCI | ||
| Database number: | 119021 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2011-10-20 07:38:27 | Last modified: | 2011-10-19 16:00:20 |
| Access level: | the public | Released: | 2011-10-20 07:38:27 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 13886. | ETE | D. D. Gillette. 1991. Seismosaurus halli, gen. et sp. nov., a new sauropod dinosaur from the Morrison Formation (Upper Jurassic/Lower Cretaceous) of New Mexico, USA. Journal of Vertebrate Paleontology 11(4):417-433 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 38241 | H. L. Schwartz and K. Manley. 1992. Geology and stratigraphy of the Seismosaurus locality, Sandoval County, New Mexico. New Mexico Geology 14(2):25-30 [M. Carrano/M. Carrano] |