LS-5/a, Little Sheep Creek: Griesbachian, Montana
collected by R. Hofmann 2010
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Nuculanida
- Tindariidae
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Unionites fassaensis
(Wissmann 1841)
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3 specimens | ||||||
= Austrotindaria svalbardensis
Foster et al. 2017
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Foster et al. 2017 | ||||||
Bivalvia
- Cardiida
- Anthracosiidae
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Unionites canalensis
(Catullo 1847)
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1 specimen | ||||||
Bivalvia
- Myalinida
- Myalinidae
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Promyalina spathi
(Newell and Kummel 1942)
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4 specimens | ||||||
Lingulata
- Lingulida
- Lingulidae
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Lingula borealis
Bittner 1899
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139 specimens | ||||||
recombined as Lingularia borealis | |||||||
see common names |
Geography
Country: | United States | State/province: | Montana |
Coordinates: | 44.6° North, 112.7° West (view map) | ||
Paleocoordinates: | 15.2° North, 34.3° West | ||
Basis of coordinate: | stated in text | ||
Geographic resolution: | small collection |
Time
Period: | Triassic | Epoch: | Early/Lower Triassic |
10 m.y. bin: | Triassic 1 | ||
Key time interval: | Griesbachian | ||
Age range of interval: | 251.90200 - 251.40000 m.y. ago |
Stratigraphy
Formation: | Dinwoody |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | shelly/skeletal lithified "limestone" |
Environment: | transition zone/lower shoreface |
Taphonomy
Modes of preservation: | mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | paleoecologic analysis | ||
Collectors: | R. Hofmann | Collection dates: | 2010 |
Collection method comments: Repository: Paleontological Institute and Museum, Zurich University |
Metadata
Database number: | 150716 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham |
Modifier: | M. Clapham | Research group: | marine invertebrate |
Created: | 2013-09-13 13:55:36 | Last modified: | 2013-09-12 23:04:22 |
Access level: | the public | Released: | 2013-09-13 13:55:36 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
48180. | R. Hofmann, M. Hautmann, and H. Bucher. 2013. A new paleoecological look at the Dinwoody Formation (Lower Triassic, Western USA): intrinsic versus extrinsic controls on ecosystem recovery after the end-Permian mass extinction. Journal of Paleontology 87:854-880 [M. Clapham/M. Clapham] |
Secondary references:
60793 | W. J. Foster, S. Danise, and R. J. Twitchett. 2017. A silicified Early Triassic marine assemblage from Svalbard. Journal of Systematic Palaeontology 15:851-877 [P. Wagner/P. Wagner/M. Clapham] |