TMM 42452, western flank of Rattlesnake Mountain: Early/Lower Campanian, Texas
collected by T. Lehman, N. LaFon, K. Davies, J. Wagner 1983, 1999
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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Lehman et al. 2019 | 4 specimens | ||||||||
distal end of tibia, TMM 42452-4; humerus, TMM 42452-3; phalanges, TMM 42452-5, 42452-6 | ||||||||||
Kritosaurus cf. navajovius
Brown 1910
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1 individual | |||||||||
TMM 42452-1; unnamed genus and species; formerly called Kritosaurus n. sp. | ||||||||||
= Kritosaurus sp.
Brown 1910
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Lehman et al. 2019 | |||||||||
= Aquilarhinus palimentus n. gen., n. sp.
Prieto-Márquez et al. 2020
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Prieto-Márquez et al. 2020 | |||||||||
TMM 42452-1 - holotype | ||||||||||
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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Lehman et al. 2019 | 1 specimen | ||||||||
a fragmentary right ilium (TMM 42452-7) | ||||||||||
Reptilia
- Testudines
- Bothremydidae
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Bothremydidae indet.
Baur 1891
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Lehman et al. 2019 | 1 specimen | ||||||||
42452-8 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Texas | County: | Brewster |
Coordinates: | 29.2° North, 103.6° West (view map) | ||||
Paleocoordinates: | 35.8° North, 77.1° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Early/Lower Campanian | ||
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Formation: | Aguja | Member: | Lower Shale | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: approximately 52 meters from base of formation in local section |
Lithology and environment
Primary lithology: | mudstone |
Includes fossils? | Y |
Environment: | paralic indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Collectors: | T. Lehman, N. LaFon, K. Davies, J. Wagner | Collection dates: | 1983, 1999 |
Metadata
Database number: | 200395 | ||
Authorizer: | P. Holroyd, M. Carrano, P. Mannion | Enterer: | P. Holroyd, M. Carrano, P. Mannion |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2019-04-02 11:10:59 | Last modified: | 2023-08-04 13:49:17 |
Access level: | the public | Released: | 2019-04-02 11:10:59 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
85562. | T. M. Lehman. 1985. Stratigraphy, Sedimentology, and Paleontology of Upper Cretaceous (Campanian–Maastrichtian) Sedimentary Rocks in Trans-Pecos Texas xiv-299 [M. Carrano/M. Carrano] |
Secondary references:
68399 | T. M. Lehman, S. L. Wick, A. B. Brink and T. A. Shiller, II. 2019. Stratigraphy and vertebrate fauna of the lower shale member of the Aguja Formation (lower Campanian) in West Texas. Cretaceous Research 99:291-314 [P. Holroyd/P. Holroyd] | |
73442 | A. Prieto-Márquez, J. R. Wagner, and T. Lehman. 2020. An unusual ‘shovel-billed’ dinosaur with trophic specializations from the early Campanian of Trans-Pecos Texas, and the ancestral hadrosaurian crest. Journal of Systematic Palaeontology 18(6):461-498 [P. Mannion/P. Mannion] |