LSUMG 492, Talley Mountain: Middle Campanian - Late Campanian, Texas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Sankey 2008 | |||||||||
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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Sankey 2008 | |||||||||
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Mammalia
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Mammalia indet.
Linnaeus 1758
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Sankey 2008 | |||||||||
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Marsupialia indet.
Illiger 1811
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Sankey 2008 | |||||||||
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Mammalia
- Alphadontidae
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Alphadon sp.
Simpson 1927
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Sankey and Gose 2001 | 1 specimen | ||||||||
| LSUMG 492:6252 | ||||||||||
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= Alphadon cf. halleyi
Sahni 1972
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Sankey et al. 2005 | |||||||||
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Reptilia
- Theropoda
- Dromaeosauridae
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Richardoestesia isosceles
Sankey 2001
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1 specimen | |||||||||
| LSUMG 492:6264 | ||||||||||
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Saurornitholestes cf. langstoni
Sues 1978
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1 specimen | |||||||||
| LSUMG 492:5158 | ||||||||||
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Reptilia
- Ornithischia
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Ornithischia indet.
Seeley 1888
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Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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Sankey 2008 | |||||||||
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Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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1 specimen | |||||||||
| LSUMG 492:5581 | ||||||||||
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Reptilia
- Crocodylia
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Crocodylia indet.
(Owen 1842)
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Sankey 2008 | |||||||||
| [entered as Crocodylian indet.] | ||||||||||
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Reptilia
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Brachychampsa sp.
Gilmore 1911
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Sankey 2008 | |||||||||
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Reptilia
- Chamopsiidae
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Peneteius sp.
Estes 1969
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Nydam et al. 2007 | 1 specimen | ||||||||
| LSUMG 492:6253 | ||||||||||
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Chondrichthyes
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Chondrichthyes indet.
Huxley 1880
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Sankey 2008 | |||||||||
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Chondrichthyes
- Rajiformes
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Squatirhina sp.
Casier 1947
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Sankey 2008 | |||||||||
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Chondrichthyes
- Rajiformes
- Ptychotrygonidae
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Ptychotrygon sp.
Jaekel 1894
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Sankey 2008 | |||||||||
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Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lissodus selachos
(Estes 1964)
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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: | concentrated |
| Size of fossils: | mesofossils |
| Preservation of anatomical detail: | good |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | bulk,sieve,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | VL-492 | ||
| Database number: | 68006 | ||
| Authorizer: | M. Carrano, M. Bell | Enterer: | M. Carrano, M. Bell |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Subset of collection #: | 14488 | ||
| Created: | 2006-12-21 08:35:03 | Last modified: | 2022-02-24 04:47:40 |
| Access level: | the public | Released: | 2006-12-21 08:35:03 |
| 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:
| 24301 | ETE | R. L. Nydam, J. G. Eaton, and J. T. Sankey. 2007. New taxa of transversely-toothed lizards (Squamata: Scincomorpha) and new information on the evolutionary history of "teiids". Journal of Paleontology 81(3):538-549 [M. Carrano/M. Carrano/M. Carrano] |
| 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] | |
| 18377 | ETE | J. T. Sankey and W. Gose. 2001. Late Cretaceous mammals and magnetostratigraphy, Big Bend, Texas. Occasional Papers of the Museum of Natural Science, Louisiana State University 77:1-16 [M. Carrano/M. Carrano] |
| 19433 | ETE | J. T. Sankey, B. R. Standhardt, and J. A. Schiebout. 2005. Theropod teeth from the Upper Cretaceous (Campanian-Maastrichtian), Big Bed National Park, Texas. In K. Carpenter (ed.), The Carnivorous Dinosaurs. Indiana University Press, Bloomington 127-152 [M. Carrano/M. Carrano] |