LS-5/b, Little Sheep Creek: Griesbachian, Montana
collected by R. Hofmann 2010
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Lingulata
- Lingulida
- Lingulidae
|
||||||||||
|
Lingula borealis
Bittner 1899
|
21 specimens | |||||||||
| recombined as Lingularia borealis | ||||||||||
|
Bivalvia
- Nuculanida
- Tindariidae
|
||||||||||
|
Unionites fassaensis
(Wissmann 1841)
|
13 specimens | |||||||||
|
= Austrotindaria svalbardensis
Foster et al. 2017
|
Foster et al. 2017 | |||||||||
|
Bivalvia
- Myalinida
- Myalinidae
|
||||||||||
|
Promyalina spathi
(Newell and Kummel 1942)
|
12 specimens | |||||||||
|
Bivalvia
- Pectinida
- Aviculopectinidae
|
||||||||||
|
Eumorphotis cf. ericius
Hautmann et al. 2013
|
3 specimens | |||||||||
|
Eumorphotis amplicostata
Ciriacks 1963
|
2 specimens | |||||||||
| (1 measurement) | ||||||||||
|
Eumorphotis multiformis
(Bittner 1899)
|
37 specimens | |||||||||
|
Bivalvia
- Cardiida
- Anthracosiidae
|
||||||||||
|
Unionites canalensis
(Catullo 1847)
|
2 specimens | |||||||||
| 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: | 150717 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Manojlovic | Research group: | marine invertebrate |
| Created: | 2013-09-13 13:57:43 | Last modified: | 2016-10-20 13:12:49 |
| Access level: | the public | Released: | 2013-09-13 13:57:43 |
| 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] |