Ferris Formation (UW V-93012): Lancian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Ceratopsidae
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Chasmosaurinae indet.
Lambe 1915
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1 specimen | |||||||||
| UW 27432 | ||||||||||
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Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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1 specimen | |||||||||
| UW 27308, 29012 | ||||||||||
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Reptilia
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Paronychodon lacustris
Cope 1876
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1 specimen | |||||||||
| nomen dubium belonging to Paronychodon | ||||||||||
| UW 29007 | ||||||||||
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Reptilia
- Dromaeosauridae
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Saurornitholestes sp.
Sues 1978
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1 specimen | |||||||||
| UW 26278 | ||||||||||
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Richardoestesia sp.
Currie et al. 1990
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1 specimen | |||||||||
| UW 27409 | ||||||||||
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Reptilia
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Brachychampsa sp.
Gilmore 1911
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1 specimen | |||||||||
| UW 27402 | ||||||||||
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Reptilia
- Squamata
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Squamata indet.
Oppel 1811
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1 specimen | |||||||||
| UW 27228 | ||||||||||
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Reptilia
- Chamopsiidae
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Leptochamops denticulatus
(Gilmore 1928)
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1 specimen | |||||||||
| UW 27245 | ||||||||||
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Reptilia
- Testudines
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Helopanoplia distincta
Hay 1908
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1 specimen | |||||||||
| UW 27232 | ||||||||||
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Reptilia
- Testudines
- Trionychidae
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Trionychidae sp.
Gray 1825
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Holroyd and Hutchison 2002 | 1 specimen | ||||||||
| UW 30587 | ||||||||||
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Reptilia
- Testudines
- Nanhsiungchelyidae
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Aspideretoides sp.
Gardner et al. 1995
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1 specimen | |||||||||
| UW 26587 | ||||||||||
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= Basilemys sp.
Hay 1902
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Holroyd and Hutchison 2002 | |||||||||
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Reptilia
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Compsemys victus
Leidy 1856
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1 specimen | |||||||||
| corrected as Compsemys victa | ||||||||||
| UW 27280 | ||||||||||
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Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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1 specimen | |||||||||
| UW 27376; also part of UW 30587 listed by Holroyd & Hutchison (2002) | ||||||||||
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= cf. Baenidae sp.
Cope 1882
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Holroyd and Hutchison 2002 | |||||||||
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Adocus sp.
Cope 1868
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2 specimens | |||||||||
| UW 26591, 27276 | ||||||||||
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= cf. Baenidae sp.
Cope 1882
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Holroyd and Hutchison 2002 | |||||||||
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Actinopteri
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Teleostei indet.
Müller 1846
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1 specimen | |||||||||
| UW 27209 | ||||||||||
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Actinopteri
- Amiiformes
- Amiidae
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Cyclurus fragosa
(Jordan 1927)
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1 specimen | |||||||||
| recombined as Cyclurus fragosus | ||||||||||
| UW 27330 | ||||||||||
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Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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1 specimen | |||||||||
| UW 27348 | ||||||||||
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Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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1 specimen | |||||||||
| UW 27252 | ||||||||||
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Chondrichthyes
- Orectolobiformes
- Orectolobidae
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Squatirhina americana
Estes 1964
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1 specimen | |||||||||
| recombined as Restesia americana | ||||||||||
| UW 26602 | ||||||||||
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Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lissodus selachos
(Estes 1964)
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2 specimens | |||||||||
| original and current combination Lonchidion selachos | ||||||||||
| UW 26590, 24472 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Carbon |
| Coordinates: | 41.8° North, 107.0° West (view map) | ||||
| Paleocoordinates: | 48.8° North, 82.6° West | ||||
| Basis of coordinate: | based on political unit | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Lancian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
Lithology and environment
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection size: | 3 specimens |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | UW |
Metadata
| Also known as: | Rat Thing Ridge | ||
| Database number: | 70343 | ||
| Authorizer: | J. Alroy, R. Benson | Enterer: | J. Alroy, R. Benson | Research group: | vertebrate |
| Created: | 2007-03-21 09:36:09 | Last modified: | 2007-03-21 11:36:09 |
| Access level: | the public | Released: | 2007-03-21 09:36:07 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 2236. | J. A. Lillegraven and J. J. Eberle. 1999. Vertebrate faunal changes through Lancian and Puercan time in southern Wyoming. Journal of Paleontology 73(4):691-710 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
| 42536 | P. A. Holroyd and J. H. Hutchison. 2002. Patterns of geographic variation in latest Cretaceous vertebrates: evidence from the turtle component. Geological Society of America Special Paper 361:177-190 [R. Benson/R. Benson] |