upper end, Gilbert Creek: Late/Upper Maastrichtian, Montana
collected by P. Kaisen 1906
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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Leidyosuchus sternbergii
Gilmore 1910
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Gilmore 1910 | 1 specimen | ||||||||
recombined as Borealosuchus sternbergii | ||||||||||
AMNH 5898 (1 measurement) | ||||||||||
Reptilia
- Ankylosauridae
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Ankylosaurus magniventris n. gen., n. sp.
Brown 1908
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1 specimen | |||||||||
AMNH 5895 (8 measurements) | ||||||||||
Reptilia
- Hadrosauridae
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Anatosaurus sp.
Lull and Wright 1942
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Lull and Wright 1942 | 2 specimens | ||||||||
synonym of Edmontosaurus | ||||||||||
AMNH 5896, 5897 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Garfield |
Coordinates: | 47.6° North, 106.6° West (view map) | ||||
Paleocoordinates: | 54.3° North, 79.6° West | ||||
Basis of coordinate: | stated in text | ||||
Altitude: | 804 meters | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
*Period: | Late/Upper Cretaceous | *Epoch: | Senonian |
Key time interval: | Late/Upper Maastrichtian | ||
Age range of interval: | 70.60000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Hell Creek | ||||
Stratigraphic resolution: | group of beds | ||||
Stratigraphy comments: 61-67 m below K-T boundary |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Articulated whole bodies: | some |
Temporal resolution: | snapshot |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection | ||
Collection size: | 1 individuals | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | AMNH | ||
Collectors: | P. Kaisen | Collection dates: | 1906 |
Metadata
Also known as: | Ankylosaurus type | ||
Database number: | 11931 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2001-09-19 10:02:53 | Last modified: | 2022-02-01 07:55:36 |
Access level: | the public | Released: | 2001-09-19 10:02:53 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
4210. | 5% 52400 | B. Brown. 1908. The Ankylosauridae, a new family of armored dinosaurs from the Upper Cretaceous. Bulletin of the American Museum of Natural History 24(12):187-201 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
71135 | V. M. Arbour and P. J. Currie. 2011. Tail and pelvis pathologies of ankylosaurian dinosaurs. Historical Biology 23(4):375-390 [M. Carrano/M. Carrano] | |
64040 | V. M. Arbour and P. J. Currie. 2016. Systematics, phylogeny and palaeobiogeography of the ankylosaurid dinosaurs. Journal of Systematic Palaeontology 14(5):385-444 [G. Lloyd/G. Lloyd/M. Carrano] | |
71136 | V. M. Arbour and J. C. Mallon. 2017. Unusual cranial and postcranial anatomy in the archetypal ankylosaur Ankylosaurus magniventris. Facets 2(2):764-794 [M. Carrano/M. Carrano] | |
11822 | ETE | K. Carpenter. 2004. Redescription of Ankylosaurus magniventris Brown 1908 (Ankylosauridae) from the Upper Cretaceous of the Western Interior of North America. Canadian Journal of Earth Sciences 41:961-986 [M. Carrano/M. Carrano/M. Carrano] |
17480 | ETE | W. P. Coombs. 1978. The families of the ornithischian dinosaur order Ankylosauria. Palaeontology 21(1):143-170 [M. Carrano/M. Carrano/M. Carrano] |
13456 | ETE | C. W. Gilmore. 1910. Leidyosuchus sternbergii, a new species of crocodile from the Ceratops Beds of Wyoming. Proceedings of the United States National Museum 38(1762):485-502 [M. Carrano/M. Carrano/J. Alroy] |
62949 | E. Hennig. 1915. Fossilium Catalogus. I: Animalia. Pars 9: Stegosauria 1-16 [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] |