Black Hills, lower Deadwood Fm.: Cambrian, South Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Agnostida
- Diplagnostidae
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Pseudagnostus sp.
Jaekel 1909
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Agnostida
- Agnostidae
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Kormagnostus sp.
Resser 1938
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Agnostus sp.
Brongniart 1822
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Trilobita
- Llanoaspididae
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Arcuolimbus sp.
Palmer 1954
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Trilobita
- Ptychopariida
- Catillicephalidae
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Pemphigaspis sp.
Hall 1863
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Trilobita
- Ptychopariida
- Tricrepicephalidae
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Tricrepicephalus sp.
Kobayashi 1935
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Meteoraspis sp.
Resser 1935
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Trilobita
- Ptychopariida
- Kingstoniidae
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Kingstonia sp.
Walcott 1924
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Blountia sp.
Walcott 1916
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Trilobita
- Ptychopariida
- Crepicephalidae
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Coosina sp.
Rasetti 1956
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Crepicephalus sp.
Owen 1852
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Uncaspis sp.
Kobayashi 1935
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Coosia sp.
Walcott 1911
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Trilobita
- Ptychopariida
- Marjumiidae
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Coosella sp.
Lochman 1936
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Trilobita
- Ptychopariida
- Menomoniidae
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Dresbachia sp.
Walcott 1916
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Trilobita
- Olenida
- Asaphiscidae
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Blountiella sp.
Resser 1938
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Lingulata
- Lingulida
- Obolidae
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Lingulepis sp.
Hall 1863
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Dicellomus sp.
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Lingulata
- Acrotretida
- Acrotretidae
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Acrotreta sp.
Kutorga 1848
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Hyolithida
- Hyolithidae
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Hyolithes sp.
d'Eichwald 1840
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Geography
| Country: | United States | State/province: | South Dakota |
| Coordinates: | 44.4° North, 103.7° West (view map) | ||
| Paleocoordinates: | 12.2° South, 88.9° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | ||
| 10 m.y. bin: | Cambrian 1-5 | *Epoch: | Upper |
| Key time interval: | Cambrian | Zone: | Crepicephalus |
| Age range of interval: | 538.8 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
Lithology and environment
| Primary lithology: | green "shale" | ||
| Environment: | marine indet. | Tectonic setting: | cratonic basin |
| Geology comments: "green sh, and thin ls, sltst and fine ss (tempestites). nearshore BA2 craton" | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:"J.W. Kulik 1965. Strat of the Deadwood Fm. Black Hills, So. Dak. and Wyoming. MS Thesis S.Dak School of Mines and Tech. Rapid City. M.A. Meyerhoff and C. Lochman, 1934. Crepicephalus horizon in the Deadwood Fm. of S. Dak. (abs) GSA Proc. 1933 p.99" | |
Metadata
| Database number: | 231 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2017-01-04 16:37:01 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 60983. | J. W. Kulik. 1965. Stratigraphy of the Deadwood Formation Black Hills, South Dakota and Wyoming. MS Thesis South Dakota School of Mines and Technology. Rapid City. Crepicephalus horizon in the Deadwood Formation of South Dakota. Proceedings of the Geological Society of America 1993 1-99 [M. Uhen/J. Ju] |