Moll 52 [Deadwood Fm]: Dresbachian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Diplagnostidae
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Pseudagnostina douvillei
(Bergeron 1899)
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27 individuals | ||||||
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Nahannagnostus nganasanicus
(Rozova 1964)
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1 individual | ||||||
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Agnostida
- Agnostidae
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Kormagnostus seclusus
(Walcott 1884)
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1 individual | ||||||
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Agnostida
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Agnostogonus cf. incognitus
Opik 1967
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5 individuals | ||||||
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Trilobita
- Llanoaspididae
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Arcuolimbus convexus
Palmer 1954
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1 individual | ||||||
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Trilobita
- Ptychopariida
- Tricrepicephalidae
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Tricrepicephalus coria
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1 individual | ||||||
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Trilobita
- Ptychopariida
- Kingstoniidae
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Kingstonia walcotti
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11 individuals | ||||||
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Trilobita
- Ptychopariida
- Crepicephalidae
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Crepicephalus auratus
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4 individuals | ||||||
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Crepicephalus buttsimotanaensis
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2 individuals | ||||||
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Uncaspis limbata
|
2 individuals | ||||||
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Coosia alethes
(Walcott 1916)
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1 individual | ||||||
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Trilobita
- Ptychopariida
- Menomoniidae
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Dresbachia amata
|
7 individuals | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Bear Butte Creek |
| Coordinates: | 44.3° North, 103.7° West (view map) | ||||
| Paleocoordinates: | 11.8° South, 82.3° West | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | ||
| *Period: | Late/Upper Cambrian | *Epoch: | Merioneth | *Local age/stage: | Marjuman |
| Key time interval: | Dresbachian | Trilobite zone: | Crepicephalus |
| Age range of interval: | 497 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | not reported |
| Environment: | shoreface |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | bulk,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | M 52 | ||
| Database number: | 7190 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Straub |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2000-05-10 10:16:38 | Last modified: | 2009-06-12 01:43:22 |
| Access level: | the public | Released: | 2000-05-10 10:16:38 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 450. | J. H. Stitt and P. J. Perfetta. 2000. Trilobites, Biostratigraphy, and Lithostratigraphy of the Crepicephalus and Aphelaspis zones, Lower Deadwood formation (Marjuman and Steptoean Stages, Upper Cambrian), Black Hills, South Dakota. Journal of Paleontology 74(2):199-223 [M. Patzkowsky/K. Straub/P. Wagner] |