UCMP loc. D-5655, Mazourka Canyon, Inyo Mountains: Middle Ordovician, California
collected by Berry, Lawson and Yancey
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Hexactinellida
- Lyssacinosa
- Stiodermatidae
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Hyalostelia sp.
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1 specimen | |||||||||
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Cystoidea
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Cystoidea indet.
von Buch 1846
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1 specimen | |||||||||
| "cystoid" | ||||||||||
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Trilobita
- Phacopida
- Pliomeridae
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Pseudomera sp.
Holliday 1942
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1 specimen | |||||||||
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Ectenonotus sp.
Raymond 1920
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2 specimens | |||||||||
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Rhynchonellata
- Pentamerida
- Tetralobulidae
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Rhysostrophia occidentalis
Ulrich and Cooper 1936
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6 specimens | |||||||||
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Rhysostrophia nevadensis
Ulrich and Cooper 1936
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2 specimens | |||||||||
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Rhynchonellata
- Orthida
- Plectorthidae
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Orthambonites mazourkensis
(Phleger 1933)
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5 specimens | |||||||||
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Orthambonites patulus
(Phleger 1933)
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1 specimen | |||||||||
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Lingulata
- Lingulida
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Lingulida indet.
Waagen 1885
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1 specimen | |||||||||
| "linguloid" | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California |
| Coordinates: | 36.9° North, 118.1° West (view map) | ||
| Paleocoordinates: | 14.0° North, 126.2° West (Wright 2013) | ||
| Basis of coordinate: | based on political unit |
Time
| Period: | Ordovician | Epoch: | Middle Ordovician |
| 10 m.y. bin: | Ordovician 2-3 | ||
| Key time interval: | Middle Ordovician | ||
| Age range of interval: | 470 - 458.4 m.y. ago |
Stratigraphy
| Formation: | Badger Flat | ||||
| Local section: | Badger Flat Formation Section | Local bed: | 68 m | ||
| Local order: | bottom to top | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: "lower to mid M. Ord. below O. decipiens!" | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | shallow subtidal indet. |
| Geology comments: "carbonate (nodular and silty ls). subtidal-lime mud (deeper than Orthidiella community). miogeocline. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | paleoecologic analysis |
| Museum repositories: | UCMP |
| Collectors: | Berry, Lawson and Yancey |
| Taxonomic list comments:"Berry, Lawson and Yancey 1979. Ross 1967 Prof Pap. 523-D." | |
Metadata
| Also known as: | Rhysostrophia community | ||
| Database number: | 226919 | ||
| Authorizer: | J. Marcot | Enterer: | J. Marcot |
| Modifier: | J. Marcot | Research group: | marine invertebrate |
| Created: | 2022-08-09 14:46:57 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2022-08-09 14:46:57 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 61151. | W. B. N. Berry, D. A. Lawson, and E. S. Yancey. 1979. Species diversity patterns in some middle Ordovician communities from California-Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 26:99-116 [M. Uhen/J. Ju/J. Ju] |