Crawford Ranch: Late/Upper Campanian, Montana
collected by E. Douglass, M. Farr, A. Silberling 1901, 1904
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
|
Database 2015 | 3 specimens | ||||||||
| CM 2417, 347 | ||||||||||
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Aspideretes beecheri
Hay 1904
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Database 2015 | 1 specimen | ||||||||
| recombined as Trionyx beecheri | ||||||||||
| CM 445 | ||||||||||
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Reptilia
- Hadrosauridae
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Hadrosaurus notabilis
(Lambe 1914)
|
Horner 1979 | 1 individual | ||||||||
| YPMPU 16969 (includes preserved integument) (1 measurement) | ||||||||||
|
= Hadrosauridae indet.
Cope 1869
|
Fabbri et al. 2020 | |||||||||
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Hadrosauridae indet.
Cope 1869
|
McIntosh 1981 | 1 specimen | ||||||||
| CM 1202 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Wheatland |
| Coordinates: | 46.3° North, 109.6° West (view map) | ||||
| Paleocoordinates: | 53.4° North, 76.6° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| *Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
| Key time interval: | Late/Upper Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Montana | Formation: | Bearpaw Shale | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: fossils from "lower Bearpaw Shale" - could be Judith River Fm. | |||||
Lithology and environment
| Primary lithology: | concretionary "shale" |
| Secondary lithology: | "limestone" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "Dark, soft shales predominate. There are occasional thin bands of sand and many brownish concretions which break into angular fragments. These sometimes contain marine fossils and sometimes a network of calcite seams...Some hard limestone concretions are crowded with these. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body,soft parts |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
| Spatial resolution: | allochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | CM,YPM | ||
| Collectors: | E. Douglass, M. Farr, A. Silberling | Collection dates: | 1901, 1904 |
| Taxonomic list comments:Hadrosaurid actually listed as Hadrosaurus [Kritosaurus] notabilis | |||
Metadata
| Also known as: | Fish Creek, Mud Creek | ||
| Database number: | 26766 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2002-10-30 13:29:25 | Last modified: | 2022-06-08 10:01:19 |
| Access level: | the public | Released: | 2002-10-30 13:29:25 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 7400. | E. Douglass. 1902. Dinosaurs in the Fort Pierre Shales and underlying beds in Montana. Science 15(366):31-32 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 54744 | C. M. Database. 2015. [M. Carrano/M. Carrano] | |
| 81833 | M. Fabbri, J. Wiemann, F. Manucci and D. E. G. Briggs. 2020. Three‐dimensional soft tissue preservation revealed in the skin of a non‐avian dinosaur. Palaeontology 63(2):185-193 [M. Carrano/M. Carrano] | |
| 7398 | J. R. Horner. 1979. Upper Cretaceous dinosaurs from the Bearpaw Shale (marine) of south-central Montana with a checklist of Upper Cretaceous dinosaur remains from marine sediments in North America. Journal of Paleontology 53(3):566-577 [M. Carrano/M. Carrano/M. Carrano] | |
| 12319 | ETE | R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano] |
| 46207 | J. S. McIntosh. 1981. Annotated catalogue of the dinosaurs (Reptilia, Archosauria) in the collections of the Carnegie Museum of Natural History. Bulletin of Carnegie Museum of Natural History 18:1-67 [M. Carrano/M. Carrano/M. Carrano] | |
| 61518 | D. B. Weishampel and J. B. Weishampel. 1983. Annotated localities of ornithopod dinosaurs: implications to Mesozoic paleobiogeography. The Mosasaur 1:43-87 [M. Carrano/M. Carrano] |