USGS Cenozoic M4645 Liveoak Canyon: Middle Eocene, California
collected by Nilsen, T. H. 1971
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
- Neotaenioglossa
- Calyptraeidae
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? Crepidula sp.
Lamarck 1799
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Gastropoda
- Turritellidae
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Turritella buwaldana
Dickerson 1916
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Turritella uvasana
Conrad 1855
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Gastropoda
- Ficidae
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Ficopsis horni
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synonym of Ficus | ||||||||||
Gastropoda
- Cassidae
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Galeodea sp.
Link 1807
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Gastropoda
- Naticidae
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Naticidae indet.
Guilding 1834
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Neverita secta
Gabb 1864
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synonym of Glossaulax reclusiana | ||||||||||
? Amauropsis sp.
Mörch 1857
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Bivalvia
- Cardiida
- Mactridae
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Spisula cf. merriami
(Packard 1916)
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recombined as Mactromeris merriami | ||||||||||
Spisula acutirostrata
Packard 1916
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recombined as Mactromeris acutirostrata | ||||||||||
Bivalvia
- Cardiida
- Cardiidae
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Acanthocardia breweri
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Bivalvia
- Cardiida
- Tellinidae
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? Macoma sp.
Leach 1819
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Bivalvia
- Carditida
- Carditidae
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Venericardia sp.
Lamarck 1801
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internal molds | ||||||||||
Bivalvia
- Carditida
- Crassatellidae
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? Crassatella sp.
Lamarck 1799
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see common names |
Geography
Country: | United States | State/province: | California | County: | Kern |
Coordinates: | 35.0° North, 118.9° West (view map) | ||||
Paleocoordinates: | 35.2° North, 105.6° West | ||||
Basis of coordinate: | stated in text | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Eocene |
Key time interval: | Middle Eocene | ||
Age range of interval: | 48.60000 - 37.20000 m.y. ago |
Stratigraphy
Formation: | Tejon | Member: | Uvas Conglomerate | ||
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: Middle Eocene, "Transition Stage" or "Tejon Stage."
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Lithology and environment
Primary lithology: | not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | biostratigraphic analysis | ||
Museum repositories: | UCMP | ||
Collectors: | Nilsen, T. H. | Collection dates: | 1971 |
Taxonomic list comments:Identified by W.O. Addicott. |
Metadata
Also known as: | UCMP IP8664 | ||
Database number: | 194188 | ||
Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | marine invertebrate |
Created: | 2018-06-16 21:13:06 | Last modified: | 2018-06-16 21:13:06 |
Access level: | the public | Released: | 2018-06-16 21:13:06 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
14208. | T. H. Nilsen. 1987. Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio mountains, California. United States Geological Survey Professional Paper 1268:1-110 [A. Miller/A. Hendy/R. McClees-Funinan] |