Hurricane Cliffs Locality HC 2 Bed 3: Spathian, Utah
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Rhynchonellata
- Rhynchonellida
- Norellidae
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Piarorhynchella triassica
(Girty 1927)
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10 specimens | |||||||||
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Bivalvia
- Myalinida
- Myalinidae
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Promyalina sp.
Kittl 1903
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1 individual | |||||||||
| Right Valves Counted | ||||||||||
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Gastropoda
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Gastropoda informal indet. a
Cuvier 1795
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8 individuals | |||||||||
| Morph A | ||||||||||
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Gastropoda
- Coelostylinidae
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Coelostylina virginensis
Batten and Stokes 1986
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1 individual | |||||||||
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Gastropoda
- Naticopsidae
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Naticopsis utahensis
Batten and Stokes 1986
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4 individuals | |||||||||
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Gastropoda
- Colloniidae
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Chartronella unicostata
Batten and Stokes 1986
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4 individuals | |||||||||
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Gastropoda
- Murchisoniina
- Phymatopleuridae
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Worthenia sp.
de Koninck 1883
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1 individual | |||||||||
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Cephalopoda
- Nautilida
- Tainoceratidae
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? Germanonautilus sp.
von Mojsisovics 1902
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1 individual | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Utah | County: | Washington |
| Coordinates: | 37.1° North, 113.3° West (view map) | ||||
| Paleocoordinates: | 7.8° North, 39.2° West | ||||
| Basis of coordinate: | unpublished field data | ||||
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Early/Lower Triassic |
| Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
| Key time interval: | Spathian | ||
| Age range of interval: | 248.90000 - 247.20000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | lithified calcareous siltstone |
| Secondary lithology: | marl |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Alternating calcareous siltstone and marls, thin-bedded Milankovitch type cycles, 100 bands in 2.7m. Very rare rinks 1m above base. Distinctly richer fauna towards top. Gastropods and rinks. Beds more nodular towards top. | |
| Environment: | carbonate indet. |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 62996 | ||
| Authorizer: | A. McGowan | Enterer: | A. McGowan | Research group: | marine invertebrate |
| Created: | 2006-08-02 05:21:58 | Last modified: | 2006-08-02 08:21:58 |
| Access level: | database members | Released: | 2006-08-02 05:21:57 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 18152. | A. J. McGowan, A. B. Smith, and P. D. Taylor. 2009. Faunal diversity, heterogeneity and body size in the Early Triassic: testing post-extinction paradigms in the Virgin Limestone of Utah, USA. Australian Journal of Earth Sciences 56:859-872 [A. McGowan/A. McGowan/M. Clapham] |