Flat Creek 1: Lancian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Hadrosauridae
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Anatosaurus sp.
Lull and Wright 1942
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Database 2005 | 1 specimen | ||||||||
synonym of Edmontosaurus | ||||||||||
Reptilia
- Hypsilophodontidae
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Hypsilophodontidae indet.
Dollo 1882
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Theropoda
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cf. Theropoda indet.
Marsh 1881
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Database 2005 | 1 specimen | ||||||||
? Theropoda indet.
Marsh 1881
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Database 2005 | 1 specimen | ||||||||
Megalosauridae indet.
(Fitzinger 1843)
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Database 2005 | 1 specimen | ||||||||
= Theropoda indet.
Marsh 1881
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Carrano 2023 | |||||||||
Reptilia
- Coeluridae
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Coeluridae indet.
Marsh 1881
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Dromaeosauridae
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Richardoestesia isosceles
Sankey 2001
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Database 2005 | 1 specimen | ||||||||
Saurornitholestinae indet.
Longrich and Currie 2009
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Larson and Currie 2013 | 1 specimen | ||||||||
UCMP 120305 | ||||||||||
Reptilia
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Leidyosuchus sternbergi
(Gilmore 1910)
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Database 2005 | 1 specimen | ||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Brachychampsa montana
Gilmore 1911
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Sauria
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Sauria indet.
MacCartney 1802
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Testudines
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Cryptodira indet.
Cope 1868
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Database 2005 | 1 specimen | ||||||||
Mammalia
- Alphadontidae
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Alphadon marshi
Simpson 1927
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= Alphadon sp.
Simpson 1927
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Alroy 2002 | |||||||||
possibly A. jasoni in light of Johanson 1996b | ||||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Mammalia
- Multituberculata
- Cimolomyidae
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Essonodon browni
Simpson 1927
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Meniscoessus robustus
(Marsh 1889)
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Amphibia
- Temnospondyli
- Batrachosauroididae
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Opisthotriton kayi
Auffenberg 1961
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Database 2005 | 1 specimen | ||||||||
Amphibia
- Temnospondyli
- Urodela
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Scapherpeton tectum
Cope 1876
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Database 2005 | 1 specimen | ||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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Database 2005 | 2 elements | ||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia fragosa
Jordan 1927
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Database 2005 | 2 elements | ||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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Database 2005 | 1 element | ||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Garfield |
Coordinates: | 47.5° North, 106.4° West (view map) | ||||
Paleocoordinates: | 54.2° North, 79.5° 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: | 70.60000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Hell Creek | ||
Local section: | FlatC | Local bed: | 1 |
Local order: | bottom to top | ||
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | silty sandstone |
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: | bulk,surface (float),sieve,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Taxonomic list comments:lower level of Flat Creek section |
Metadata
Also known as: | UCMP V-73083 | ||
Database number: | 14546 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1993-02-18 00:00:00 | Last modified: | 2009-06-19 17:09:00 |
Access level: | the public | Released: | 1993-02-18 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:
6294 | J. Alroy. 2002. Synonymies and reidentifications of North American fossil mammals. [J. Alroy/J. Alroy/M. Kouvari] | |
14199 | ETE | M. T. Carrano. 2023. 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] | |
48570 | D. W. Larson and P. J. Currie. 2013. Multivariate analyses of small theropod dinosaur teeth and implications for paleoecological turnover through time. PLoS ONE 8(1):e54329:1-14 [M. Carrano/M. Carrano/M. Carrano] |