Cow Creek Site 1: Lancian, Wyoming
collected by W. A. Clemens
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Viviparidae
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cf. Viviparus sp.
Montfort 1810
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Estes 1964 | |||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
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Myledaphus bipartitus
Cope 1876
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Estes 1964 | |||||||||
Amphibia
- Temnospondyli
- Urodela
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Habrosaurus dilatus
Gilmore 1928
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Estes 1964 | 1 specimen | ||||||||
Mammalia
- Multituberculata
- Cimolodontidae
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Cimolodon nitidus
Marsh 1889
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Mammalia
- Multituberculata
- Neoplagiaulacidae
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Mesodma sp.
Jepsen 1940
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Mammalia
- Gypsonictopidae
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Gypsonictops hypoconus
Simpson 1927
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Clemens 1973 | |||||||||
Mammalia
- Stagodontidae
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Didelphodon vorax
Marsh 1889
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Clemens 1966 | |||||||||
Mammalia
- Glasbiidae
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Glasbius intricatus
Clemens 1966
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Clemens 1966 | |||||||||
Reptilia
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Reptilia indet.
Laurenti 1768
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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 | 2 specimens | ||||||||
Including UCMP 173446 listed by Horoyd & Hutchison 2002 | ||||||||||
Reptilia
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cf. Dryptosaurus sp.
Marsh 1877
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Estes 1964 | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
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Lepisosteus occidentalis
(Leidy 1856)
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Estes 1964 | |||||||||
original and current combination Lepidotus occidentalis | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Niobrara |
Coordinates: | 43.3° North, 104.7° West (view map) | ||||
Paleocoordinates: | 49.7° North, 79.5° 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 | *Epoch: | Senonian |
Key time interval: | Lancian | ||
Age range of interval: | 70.60000 - 66.00000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Formation: | Lance |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | "cross stratification" sandstone |
Includes fossils? | Y |
Lithology description: "cross-stratified sandstone" | |
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: | field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Collectors: | W. A. Clemens |
Metadata
Also known as: | UCMP V-5621 | ||
Database number: | 14522 | ||
Authorizer: | J. Alroy, M. Carrano | Enterer: | J. Alroy, M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 1994-07-26 00:00:00 | Last modified: | 2013-09-17 17:05:02 |
Access level: | the public | Released: | 1994-07-26 00:00:00 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
1239. | W. A. Clemens. 1964. Fossil mammals of the type Lance Formation, Wyoming. Part I. Introduction and Marsupialia. University of California Publications in Geological Sciences 48:1-105 [J. Alroy/J. Alroy/J. Alroy] |
Secondary references:
1241 | W. A. Clemens. 1966. Fossil mammals from the type Lance Formation, Wyoming. Part II. Marsupialia. University of California Publications in Geological Sciences 62:1-122 [J. Alroy/J. Alroy/J. Alroy] | |
1242 | W. A. Clemens. 1973. Fossil mammals of the type Lance Formation, Wyoming. Part III. Eutheria and summary. University of California Publications in Geological Sciences 94:1-102 [J. Alroy/J. Alroy/J. Alroy] | |
13103 | U.C.M.P. Database. 2005. UCMP collections database. University of California Museum of Paleontology [M. Carrano/M. Carrano/M. Carrano] | |
803 | R. Estes. 1964. Fossil vertebrates from the Late Cretaceous Lance Formation, eastern Wyoming. University of California Publications in Geological Sciences 49:1-187 [J. Alroy/M. Sommers/M. Carrano] | |
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] |