UCMP loc. D-5657, 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
Rhynchonellata
- Pentamerida
- Tetralobulidae
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Rhysostrophia occidentalis
Ulrich and Cooper 1936
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4 specimens | |||||||||
Rhynchonellata
- Orthida
- Plectorthidae
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Orthambonites mazourkensis
(Phleger 1933)
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3 specimens | |||||||||
Orthambonites patulus
(Phleger 1933)
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2 specimens | |||||||||
Trilobita
- Phacopida
- Pliomeridae
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Pseudomera sp.
Holliday 1942
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1 specimen | |||||||||
Cystoidea
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Cystoidea indet.
von Buch 1846
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1 specimen | |||||||||
"cystoid" | ||||||||||
Demospongiae
- Anthaspidellidae
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Calycocoelia sp.
Bassler 1927
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1 specimen | |||||||||
Hexactinellida
- Lyssacinosa
- Stiodermatidae
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Hyalostelia sp.
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3 specimens | |||||||||
see common names |
Geography
Country: | United States | State/province: | California |
Coordinates: | 36.9° North, 118.1° West (view map) | ||
Paleocoordinates: | 5.8° South, 84.8° West | ||
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: | 108.2 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: | 226921 | ||
Authorizer: | J. Marcot | Enterer: | J. Marcot |
Modifier: | J. Marcot | Research group: | marine invertebrate |
Created: | 2022-08-09 14:51:39 | Last modified: | 2022-08-09 15:14:33 |
Access level: | the public | Released: | 2022-08-09 14:51:39 |
Creative Commons license: | CC BY |
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] |