Lance General (UCMP loc. V-65238): Late/Upper Maastrichtian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Dromaeosauridae
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Richardoestesia cf. isosceles
Sankey 2001
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Larson and Currie 2013 | 10 specimens | ||||||||
UCMP 214012-3, 214016, 214020-3, 214039, 214043 | ||||||||||
Reptilia
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Compsemys sp.
Leidy 1856
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1 specimen | |||||||||
UCMP 72899 | ||||||||||
Reptilia
- Testudines
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Kinosternoidae indet.
Holroyd and Hutchison 2002
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1 specimen | |||||||||
UCMP 73039 | ||||||||||
Reptilia
- Testudines
- Chelydridae
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Chelydridae indet.
Swainson 1839
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1 specimen | |||||||||
UCMP 125789 | ||||||||||
Reptilia
- Testudines
- Adocidae
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Adocus sp.
Cope 1868
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1 specimen | |||||||||
UCMP 173428 | ||||||||||
Reptilia
- Testudines
- Nanhsiungchelyidae
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Basilemys sp.
Hay 1902
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1 specimen | |||||||||
UCMP 73088 | ||||||||||
Reptilia
- Testudines
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Helopanoplia sp.
Hay 1908
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1 specimen | |||||||||
UCMP 173379 | ||||||||||
Plastomeninae informal A
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1 specimen | |||||||||
UCMP 173431 | ||||||||||
= Derrisemys sterea
Hutchison 2009
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Hutchison 2009 | |||||||||
recombined as Hutchemys sterea | ||||||||||
UCMP 173431 | ||||||||||
Reptilia
- Testudines
- Trionychidae
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Trionychidae indet.
Gray 1825
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1 specimen | |||||||||
UCMP 73032 | ||||||||||
Aspiderites sp.
(Hay 1904)
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1 specimen | |||||||||
original and current combination Aspideretes | ||||||||||
UCMP 73042 | ||||||||||
Reptilia
- Testudines
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Clemmys backmani
Russell 1934
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1 specimen | |||||||||
recombined as Osteopygis backmani | ||||||||||
UCMP 173427 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Wyoming | County: | Niobrara |
Coordinates: | 43.2° North, 104.6° West (view map) | ||||
Paleocoordinates: | 49.7° North, 79.4° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
Key time interval: | Late/Upper Maastrichtian | ||
Age range of interval: | 70.60000 - 66.00000 m.y. ago |
Stratigraphy
Formation: | Lance |
Local order: | top to bottom |
Stratigraphic resolution: | group of beds |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Degree of concentration: | dispersed |
Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
Collection methods: | surface (float),field collection |
Reason for describing collection: | taxonomic analysis |
Museum repositories: | UCMP |
Metadata
Database number: | 137798 | ||
Authorizer: | R. Benson, P. Holroyd, M. Carrano | Enterer: | R. Benson, P. Holroyd, M. Carrano |
Modifier: | G. Varnham | Research group: | vertebrate |
Created: | 2012-12-19 20:35:17 | Last modified: | 2022-04-07 06:09:41 |
Access level: | the public | Released: | 2012-12-19 20:35:17 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
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] |
Secondary references:
58298 | J. H. Hutchison. 2009. New soft-shelled turtles (Plastomeninae, Trionychidae, Testudines) from the Cretaceous and Paleocene of North America. PaleoBios 29(2):36-47 [P. Holroyd/P. Holroyd] | |
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] |