Ulrich Loc. 399-c. 2½ miles above mouth of Little Indian Creek: Trempealeauan, Missouri
collected by Ulrich & St.Clair 1915
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Polyplacophora
- Aulochitonidae
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Aulochiton sannerae
Pojeta et al. 2010
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Gastropoda
- Sinuopeidae
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Taeniospira emminencis
Ulrich et al. 1931
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Wagner 2023 | |||||||||
| observed in NMNH collections; Taeniospira glabra of Ulrich's notes | ||||||||||
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Dirhachopea intermedia
Ulrich et al. 1931
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Wagner 2023 | |||||||||
| observed in NMNH collections | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Missouri | County: | Shannon |
| Coordinates: | 38.4° North, 90.9° West (view map) | ||||
| Paleocoordinates: | 22.6° South, 85.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| Key time interval: | Trempealeauan | Trilobite zone: | |
| Age range of interval: | 489.2 - 485.4 m.y. ago |
Stratigraphy
| Formation: | Eminence | Member: | Trilobite Beds | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Lower Eminence; Given as Rasettia magna, but every other source puts that in the lower Potosi formation. | |||||
Lithology and environment
| Primary lithology: | dolomite |
| Environment: | carbonate indet. |
Taphonomy
| Modes of preservation: | body,cast |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | Ulrich & St.Clair | Collection dates: | 1915 |
Metadata
| Also known as: | 6-7 miles north of St. Clair | ||
| Database number: | 98342 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2010-10-01 19:03:46 | Last modified: | 2018-10-05 07:29:16 |
| Access level: | the public | Released: | 2010-10-01 19:03:46 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 33972. | J., J.r. Pojeta, M. J. Vendrasco, and G. Darrough. 2010. Upper Cambrian chitons (Mollusca, Polyplacophora) from Missouri, USA. Bulletins of American Paleontology (379)1-182 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |