Engdahl Anthills 3: 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 | 3 elements | ||||||||
? Osteichthyes indet.
Huxley 1880
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Database 2005 | 3 elements | ||||||||
Reptilia
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Ankylosauria indet.
Osborn 1923
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Hadrosauridae
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Hadrosaurinae indet.
Lambe 1918
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Database 2005 | 1 specimen | ||||||||
Reptilia
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Thescelosaurus sp.
Gilmore 1913
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Hypsilophodontidae
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Hypsilophodontidae indet.
Dollo 1882
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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 2023 | |||||||||
Theropoda indet.
Marsh 1881
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Database 2005 | 2 specimens | ||||||||
? Theropoda indet.
Marsh 1881
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Database 2005 | 1 specimen | ||||||||
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 | 2 specimens | ||||||||
Reptilia
- Caenagnathidae
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Chirostenotes sp.
Gilmore 1924
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Dromaeosauridae
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Dromaeosauridae indet.
Colbert and Russell 1969
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Database 2005 | 1 specimen | ||||||||
cf. Richardoestesia isosceles
Sankey 2001
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Sankey 2008 | 6 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 | 1 specimen | ||||||||
Reptilia
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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 | ||||||||
? Sauria indet.
MacCartney 1802
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Database 2005 | 3 specimens | ||||||||
Reptilia
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Compsemys victa
(Leidy 1856)
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Database 2005 | 2 specimens | ||||||||
Reptilia
- Testudines
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Cryptodira indet.
Cope 1868
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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 | 1 specimen | ||||||||
Reptilia
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Parasaniwa wyomingensis
Gilmore 1928
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Anguidae
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Odaxosaurus piger
(Gilmore 1928)
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Database 2005 | 2 specimens | ||||||||
Reptilia
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Paraderma bogerti
Estes 1964
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Database 2005 | 1 specimen | ||||||||
Reptilia
- Xenosauridae
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Exostinus lancensis
Gilmore 1928
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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
- 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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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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Habrosaurus dilatus
Gilmore 1928
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Database 2005 | 1 specimen | ||||||||
Scapherpeton tectum
Cope 1876
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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 | 1 element | ||||||||
Lepisosteus occidentalis
(Leidy 1856)
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Database 2005 | 3 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 | ||||||||
Amia uintaensis
(Leidy 1873)
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Database 2005 | 1 element | ||||||||
nomen dubium belonging to Amiinae | ||||||||||
Actinopteri
- Aspidorhynchiformes
- Aspidorhynchidae
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Belonostomus longirostris
(Lambe 1902)
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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 | 190 elements | ||||||||
UCMP 128737, 1 tooth; UCMP 120200, 188 complete and partial teeth; UCMP 120201, 1 denticle | ||||||||||
= Myledaphus pustulosus
Cook et al. 2014
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Cook et al. 2014 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | Garfield |
Coordinates: | 47.6° North, 107.1° West (view map) | ||||
Paleocoordinates: | 54.3° 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
Geological group: | Montana | Formation: | Hell Creek | Member: | Upper |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | sandstone |
Includes fossils? | Y |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Lagerst�tten type: | concentrate |
Degree of concentration: | concentrated |
Size of fossils: | mesofossils |
Disassociated major elements: | many |
Disassociated minor elements: | many |
Collection methods and comments
Collection methods: | bulk,surface (float),anthill,sieve,field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Also known as: | UCMP V-73077 | ||
Database number: | 14535 | ||
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: | 2021-09-02 11:01:32 |
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] |
77911 | T. D. Cook, M. G. Newbrey, D. B. Brinkman and J. I. Kirkland. 2014. Euselachians from the freshwater deposits of the Hell Creek Formation of Montana. In G. P. Wilson, W. A. Clemens, J. R. Horner, J. H. Hartman (eds.), Through the End of the Cretaceous in the Type Locality of the Hell Creek Formation in Montana and Adjacent Areas. Geological Society of America Special Paper 503:229-246 [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] |