Little Popo Agie Canyon, Claraia zone, Fremont County: Griesbachian, Wyoming
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Myalinida
- Myalinidae
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Promyalina putiatensis
(Kiparisova 1938)
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| recombined as Promyalina putiatinensis | ||||||||||
| (2 measurements) | ||||||||||
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? Mytilus postcarbonica
(Girty 1927)
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| recombined as Myalinella postcarbonica | ||||||||||
| (1 measurement) | ||||||||||
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervilleia cf. ussurica
Kiparisova 1938
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| (1 measurement) | ||||||||||
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Bivalvia
- Pectinida
- Claraiidae
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Claraia stachei
Bittner 1901
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Bivalvia
- Trigoniida
- Myophoriidae
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Myophoria laevigata
(Ziethen 1830)
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| recombined as Neoschizodus laevigatus | ||||||||||
| (1 measurement) | ||||||||||
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Bivalvia
- Cardiida
- Anthracosiidae
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Unionites canalensis
(Catullo 1847)
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Bivalvia
- Nuculanida
- Tindariidae
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Unionites fassaensis
(Wissmann 1841)
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= Austrotindaria antiqua
Foster et al. 2017
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Foster et al. 2017 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming |
| Coordinates: | 42.7° North, 108.6° West (view map) | ||
| Paleocoordinates: | 12.1° North, 32.5° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
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: | brown,gray lithified argillaceous "limestone" |
| Lithology description: Calcisiltite, argillaceous, quartzose; light brownish gray, weathers medium to dark brown; thin-bedded; upper 6 to 8 inches very fossiliferous | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 105382 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2011-02-20 06:14:23 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2011-02-20 06:14:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 27437. | K.W. Ciriacks. 1963. Permian and Eotriassic bivalves of the middle Rockies. Bulletin of the American Museum of Natural History 125(1):1-100 [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] |