LSUMG 490, Talley Mountain: Middle Campanian - Late Campanian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lissodus selachos
(Estes 1964)
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Sankey 2008 | |||||||||
Chondrichthyes
- Rajiformes
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Squatirhina sp.
Casier 1947
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Sankey 2008 | |||||||||
Chondrichthyes
- Rajiformes
- Sclerorhynchidae
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Onchopristis sp.
Stromer 1917
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Sankey 2008 | |||||||||
Chondrichthyes
- Myliobatiformes
- Dasyatidae
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Dasyatidae indet.
Jordan 1888
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Sankey 2008 | |||||||||
Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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1 specimen | |||||||||
LSUMG 490:5570 | ||||||||||
Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Sankey 2008 | |||||||||
[entered as Crocodylian indet.] | ||||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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Sankey 2008 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Texas | County: | Brewster |
Coordinates: | 29.1° North, 103.2° West (view map) | ||||
Paleocoordinates: | 35.5° North, 76.7° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Middle Campanian - Late Campanian | ||
Age range of interval: | 83.6 - 72.1 m.y. ago |
Stratigraphy
Formation: | Aguja | Member: | Upper Shale |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | paleosol/pedogenic,intraclastic sandy conglomerate |
Includes fossils? | Y |
Lithology description: "carbonate-cemented, pedogenic-nodule, sandstone conglomerates containing numerous clasts of clay, pedogenic nodules..." | |
Environment: | channel lag |
Geology comments: "lag deposits from the base of fluvial channels" |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | dispersed |
Size of fossils: | mesofossils |
Preservation of anatomical detail: | good |
Disassociated major elements: | all |
Collection methods and comments
Collection methods: | bulk,sieve,field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Also known as: | VL-490 | ||
Database number: | 68005 | ||
Authorizer: | M. Carrano, M. Bell | Enterer: | M. Carrano, M. Bell |
Modifier: | G. Varnham | Research group: | vertebrate |
Subset of collection #: | 14488 | ||
Created: | 2006-12-21 08:34:10 | Last modified: | 2022-02-24 04:47:24 |
Access level: | the public | Released: | 2006-12-21 08:34:10 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
11752. | ETE | J. T. Sankey. 2001. Late Campanian southern dinosaurs, Aguja Formation, Big Bend, Texas. Journal of Paleontology 75(1):208-215 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
46717 | J. T. Sankey. 2008. Vertebrate paleoecology from microsites, Talley Mountain, Upper Aguja Formation (Late Cretaceous), Big Bend National Park, Texas, USA. In J. T. Sankey, S. Baszio (eds.), Vertebrate Microfossil Assemblages: Their Role in Paleoecology and Paleobiogeography 61-77 [M. Bell/M. Bell/M. Carrano] |