Marjum Formation, Locality 4: Menevian, Utah
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Hexactinellida
- Reticulosa
|
|||||||
|
? Valospongia gigantus
|
Rigby et al. 2010 | ||||||
|
Hexactinellida
- Reticulosa
- Hintzespongiidae
|
|||||||
|
Hintzespongia bilamina
Rigby and Gutschick 1976
|
Rigby et al. 2010 | ||||||
|
Hexactinellida
- Reticulosa
- Protospongiidae
|
|||||||
|
Diagoniella cyathiformis
(Dawson and Hinde 1889)
|
2 specimens | ||||||
|
Diagoniella magna
Rigby et al. 2010
|
Rigby et al. 2010 | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | Utah | County: | Millard |
| Coordinates: | 39.3° North, 113.3° West (view map) | ||||
| Paleocoordinates: | 4.3° South, 91.8° West | ||||
| Basis of coordinate: | stated in text | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Cambrian | Epoch: | Miaolingian |
| 10 m.y. bin: | Cambrian 4 | ||
| Key time interval: | Menevian | ||
| Age range of interval: | 504.5 - 499.5 m.y. ago |
Stratigraphy
| Formation: | Marjum | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "Bathyuriscus fimbriatus zone of the lower Marjum Formation" | |||||
Lithology and environment
| Primary lithology: | lithified calcareous mudstone | ||
| Secondary lithology: | lithified "limestone" | ||
| Includes fossils? | Y | ||
| Environment: | offshore shelf | Tectonic setting: | passive margin |
| Geology comments: part of the House Embayment, which is fault-bound on the passive margin | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Kells Knolls Gulch | ||
| Database number: | 69395 | ||
| Authorizer: | J. Alroy, W. Kiessling | Enterer: | J. Alroy, U. Merkel | Research group: | marine invertebrate |
| Created: | 2007-02-25 20:39:27 | Last modified: | 2007-02-25 22:39:27 |
| Access level: | the public | Released: | 2007-02-25 20:39:26 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 15150. | J. K. Rigby. 1983. Sponges of the Middle Cambrian Marjum Limestone from the House Range and Drum Mountains of Western Millard County, Utah. Journal of Paleontology 57(2):240-270 [S. Peters/S. Peters] |
Secondary references:
| 35394 | J. K. Rigby, S. B. Church, and N. K. Anderson. 2010. Middle Cambrian sponges from the Drum Mountains and House Range in western Utah. Journal of Paleontology 84(1):66-78 [W. Kiessling/U. Merkel] |