Engdahl Anthills 1: Lancian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes
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Osteichthyes indet.
Huxley 1880
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Database 2005 | 5 elements | ||||||||
Reptilia
- Dinosauria
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Dinosauria indet.
Owen 1842
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Ceratopsidae
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Ceratopsidae indet.
Marsh 1888
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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 | 2 specimens | ||||||||
= Theropoda indet.
Marsh 1881
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Carrano 2023 | |||||||||
Reptilia
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? Coelurosauria indet.
Huene 1914
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Coeluridae
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Coeluridae indet.
Marsh 1881
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Caenagnathidae
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Chirostenotes sp.
Gilmore 1924
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Database 2005 | 1 specimen | ||||||||
Reptilia
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Paronychodon lacustris
Cope 1876
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Database 2005 | 1 specimen | ||||||||
nomen dubium belonging to Paronychodon | ||||||||||
Reptilia
- Dromaeosauridae
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Dromaeosauridae indet.
Colbert and Russell 1969
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Database 2005 | 2 specimens | ||||||||
Reptilia
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Aves indet.
Linnaeus 1758
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Database 2005 | 1 specimen | ||||||||
Leidyosuchus sternbergi
(Gilmore 1910)
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Database 2005 | 1 specimen | ||||||||
recombined as Borealosuchus sternbergii | ||||||||||
Reptilia
- Crocodylidae
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Crocodylidae indet.
Cuvier 1807
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Database 2005 | 2 specimens | ||||||||
Reptilia
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Brachychampsa montana
Gilmore 1911
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Database 2005 | 1 specimen | ||||||||
Champsosaurus natator
Parks 1933
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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 | ||||||||
cf. Sauria indet.
MacCartney 1802
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Database 2005 | 1 specimen | ||||||||
Reptilia
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Compsemys sp.
Leidy 1856
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Database 2005 | 1 specimen | ||||||||
Compsemys victa
(Leidy 1856)
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Database 2005 | 2 specimens | ||||||||
Reptilia
- Baenidae
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Baenidae indet.
Cope 1882
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Database 2005 | 5 specimens | ||||||||
? Baenidae indet.
Cope 1882
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Testudines
- Chelydridae
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Chelydridae indet.
Swainson 1839
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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Database 2005 | 4 specimens | ||||||||
Reptilia
- Testudines
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Helopanoplia sp.
Hay 1908
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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Database 2005 | 4 specimens | ||||||||
Trionychinae indet.
Gray 1825
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Database 2005 | 1 specimen | ||||||||
Mammalia
- Gypsonictopidae
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Gypsonictops cf. illuminatus
Lillegraven 1969
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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
- Stagodontidae
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Didelphodon vorax
Marsh 1889
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Mammalia
- Glasbiidae
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Glasbius twitchelli
Archibald 1982
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Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma thompsoni
Clemens 1964
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Amphibia
- Temnospondyli
- Urodela
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Scapherpeton tectum
Cope 1876
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Database 2005 | 2 specimens | ||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteidae indet.
Cuvier 1825
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Database 2005 | 1 element | ||||||||
Lepisosteus occidentalis
(Leidy 1856)
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Database 2005 | 33 elements | ||||||||
original and current combination Lepidotus occidentalis | ||||||||||
Actinopteri
- Amiiformes
- Amiidae
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Amia fragosa
Jordan 1927
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Database 2005 | 1 element | ||||||||
Amia uintaensis
(Leidy 1873)
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Database 2005 | 1 element | ||||||||
nomen dubium belonging to Amiinae | ||||||||||
Actinopteri
- Amiiformes
- Palaeolabridae
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Palaeolabrus sp.
Casier 1967
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Database 2005 | 1 element | ||||||||
Actinopteri
- Siluriformes
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Siluriformes indet.
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Database 2005 | 1 element | ||||||||
Chondrichthyes
- Hybodontiformes
- Lonchidiidae
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Lonchidion selachos
Estes 1964
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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 | 2 elements | ||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Garfield |
Coordinates: | 47.6° North, 107.1° West (view map) | ||||
Paleocoordinates: | 54.4° North, 80.2° 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 |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | bulk,anthill,sieve,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Also known as: | UCMP V-72212 | ||
Database number: | 14533 | ||
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 17:04:16 |
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] |