Split Lip Flats (NMMNH Loc. 7779): Late Campanian, New Mexico
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Iguanodontipodidae
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| 5 specimens | ||||||||||
| NMMNH P-63031 to 63035 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | New Mexico | County: | San Juan |
| Coordinates: | 36.3° North, 108.0° West (view map) | ||||
| Paleocoordinates: | 46.6° North, 70.9° West (Wright 2013) | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Altitude: | 1948 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Late Campanian | ||
| Age range of interval: | 83.6 - 72.2 m.y. ago |
Stratigraphy
| Formation: | Fruitland | Member: | Fossil Forest |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | planar lamination sandstone |
| Secondary lithology: | lignite |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "a thin (30-cm thick), sheet-like body of thinly-laminated sandstone...The footprint casts were clearly originally impressed into the underlying lignite bed and then infilled by a sheetflood (unchannelized flow) sand." | |
| Environment: | crevasse splay |
Taphonomy
| Modes of preservation: | cast,trace |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Spatial orientation: | life position |
| Preservation of anatomical detail: | poor |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | NMMNH |
Metadata
| Database number: | 123590 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2012-01-26 07:00:37 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2012-01-26 07:00:37 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 39773. | S. G. Lucas, R. M. Sullivan, S. E. Jasinski and T. L. Ford. 2011. Hadrosaur footprints from the Upper Cretaceous Fruitland Formation, San Juan Basin, New Mexico, and the ichnotaxonomy of large ornithopod footprints. In R. M. Sullivan, S. G. Lucas and J. A. Spielmann (eds.), Fossil Record 3. New Mexico Museum of Natural History and Science Bulletin 53:357-362 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 55658 | R. M. Sullivan and S. G. Lucas. 2014. Stratigraphic distribution of hadrosaurids in the Upper Cretaceous Fruitland, Kirtland, and Ojo Alamo formations, San Juan Basin, New Mexico. In D. A. Eberth & D. C. Evans (ed.), Hadrosaurs 361-384 [M. Carrano/M. Carrano] |