Dry Fork Coulee: Lancian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Amphibia
- Temnospondyli
- Urodela
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Urodela indet.
(Duméril 1805)
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Database 2005 | 6 specimens | ||||||||
Scapherpeton tectum
Cope 1876
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Hadrosauridae
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Hadrosauridae indet.
Cope 1869
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Theropoda
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Megalosauridae indet.
(Fitzinger 1843)
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Database 2005 | 1 specimen | ||||||||
= Theropoda indet.
Marsh 1881
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Carrano 2025 | |||||||||
Theropoda indet.
Marsh 1881
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Database 2005 | 2 specimens | ||||||||
Reptilia
- Dromaeosauridae
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Richardoestesia cf. isosceles
Sankey 2001
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Sankey 2008 | 1 specimen | ||||||||
UCMP 186842 | ||||||||||
Reptilia
- Crocodylia
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Leidyosuchus sp.
Lambe 1907
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Database 2005 | 4 specimens | ||||||||
= Crocodylia indet.
Owen 1842
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Alroy 2007 | |||||||||
Reptilia
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Brachychampsa sp.
Gilmore 1911
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Database 2005 | 15 specimens | ||||||||
Reptilia
- Crocodylidae
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Crocodylidae indet.
Cuvier 1807
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Database 2005 | 27 specimens | ||||||||
Reptilia
- Sauria
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Sauria indet.
MacCartney 1802
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Testudines
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Testudines indet.
Batsch 1788
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Database 2005 | 4 specimens | ||||||||
Helopanoplia distincta
Hay 1908
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Database 2005 | 3 specimens | ||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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Database 2005 | 4 specimens | ||||||||
Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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Database 2005 | 4 specimens | ||||||||
Reptilia
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Compsemys victa
(Leidy 1856)
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Database 2005 | 18 specimens | ||||||||
Mammalia
- Multituberculata
- Cimolomyidae
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Meniscoessus robustus
(Marsh 1889)
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2 specimens | |||||||||
Mammalia
- Stagodontidae
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Didelphodon vorax
Marsh 1889
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1 specimen | |||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia sp.
Linnaeus 1766
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Database 2005 | 6 elements | ||||||||
Melvius thomasi
Bryant 1987
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Database 2005 | 2 specimens | ||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus sp.
Agassiz 1843
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Database 2005 | 20 elements | ||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Garfield |
Coordinates: | 47.5° North, 107.0° West (view map) | ||||
Paleocoordinates: | 54.3° North, 80.1° West | ||||
Basis of coordinate: | unpublished field data | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 | *Epoch: | Senonian |
Key time interval: | Lancian | ||
Age range of interval: | 72.10000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Hell Creek |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | sandstone |
Secondary lithology: | mudstone |
Includes fossils? | Y |
Includes fossils? | Y |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | mesofossils |
Disassociated major elements: | some |
Disassociated minor elements: | some |
Collection methods and comments
Collection methods: | surface (float),field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Also known as: | UCMP V-73103 | ||
Database number: | 14525 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1994-04-30 00:00:00 | Last modified: | 2009-06-19 17:13:49 |
Access level: | the public | Released: | 1994-04-30 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
960. | J. D. Archibald. 1982. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana. University of California Publications in Geological Sciences 122:1-286 [J. Alroy/J. Alroy/M. Carrano] |
Secondary references:
19636 | J. Alroy. 2007. Synonymies and reidentifications of North American fossil vertebrates and so forth. [J. Alroy/J. Alroy] | |
14199 | ETE | M. T. Carrano. 2025. Taxonomic opinions on the Dinosauria. [M. Carrano/M. Carrano/M. Carrano] |
13103 | U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano] | |
34479 | ETE | J. T. Sankey. 2008. Diversity of latest Cretaceous (late Maastrichtian) small theropods and birds: teeth from the Lance and Hell Creek formations, USA. In J. T. Sankey & S. Baszio (ed.), Vertebrate Microfossil Assemblages: Their Role in Paleoecology and Paleobiogeography. Indiana University Press, Bloomington 117-134 [M. Carrano/M. Carrano] |