Silver Springs Mtn., Dunderberg Shale, Dresbachian-Dicanthopyge zone: Dresbachian, Utah
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Helcionelloida
- Helcionellida
- Pelagiellidae
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Pelagiella sp.
Matthew 1895
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Lingulata
- Acrotretida
- Acrotretidae
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Angulotreta sp.
Palmer 1954
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| originally entered as "Angulotrreta sp." | ||||||||||
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Paterinata
- Paterinida
- Paterinidae
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Micromitra sp.
Meek 1873
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Trilobita
- Ptychopariida
- Crepicephalidae
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Crepicephalidae indet.
Kobayashi 1935
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Trilobita
- Olenida
- Aphelaspidae
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Dicanthopyge sp.
Palmer 1965
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| originally entered as "Dicanthropyge sp." | ||||||||||
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Agnostida
- Diplagnostidae
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Pseudagnostus sp.
Jaekel 1909
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| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Utah |
| Coordinates: | 40.7° North, 111.5° West (view map) | ||
| Paleocoordinates: | 6.5° South, 86.6° West | ||
| Basis of coordinate: | based on nearby landmark |
Time
| Period: | Cambrian | Epoch: | Furongian |
| 10 m.y. bin: | Cambrian 5 | *Epoch: | Upper | *Local age/stage: | Dresbachian |
| Key time interval: | Dresbachian | Zone: | Dicanthopyge |
| Age range of interval: | 497 - 485.4 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dunderberg Shale | ||||
| Stratigraphy comments: "Dresbachian-Dicanthopyge zone" |
Lithology and environment
| Primary lithology: | "limestone" |
| Secondary lithology: | "shale" |
| Environment: | marine indet. |
| Geology comments: "90m: sh and silty, thin-bedded ls (correlative with Orr Fm., outer detrital belt (see Palmer 1971) (BA4), geosynclinal" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: "Collection 5986-CO" | |
| Taxonomic list comments:"R.A.Robinson and A.R.Palmer 1968. Revision of Camb. strat., Silver Island Mtns., UT. AAPG Bull. 52:167-171" | |
Metadata
| Database number: | 239 | ||
| Authorizer: | J. Sepkoski | Enterer: | M. Sommers |
| Modifier: | J. Ju | Research group: | marine invertebrate |
| Created: | 1998-11-20 10:07:18 | Last modified: | 2017-01-07 15:52:55 |
| Access level: | the public | Released: | 1998-11-20 10:07:18 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 61116. | R. A. Robinson and A. R. Palmer. 1968. Revision of Cambrian stratigraphy Silver Island Mountains, Utah. AAPG Bulletin 52:167-171 [M. Uhen/J. Ju/M. Uhen] |