USGS Cenozoic M4641 Liveoak Canyon: Middle Eocene, California
collected by Nilsen, T. H. 1971
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Gastropoda
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Gastropoda indet.
Cuvier 1795
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| internal molds of two taxa | ||||||||||
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Gastropoda
- Neotaenioglossa
- Trichotropidae
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Crepidula pileum
(Gabb 1864)
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| recombined as Spirocrypta pileum | ||||||||||
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Gastropoda
- Neotaenioglossa
- Calyptraeidae
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Calyptraea diegoana
(Conrad 1855)
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Gastropoda
- Turritellidae
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Turritella uvasana
Conrad 1855
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| subspecies sargeanti | ||||||||||
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Gastropoda
- Naticidae
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Polinices horni
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? Neverita sp.
Risso 1826
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Gastropoda
- Bursidae
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Ranellina ? pilsbryi
Stewart 1927
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Olequahia horni
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Gastropoda
- Ficidae
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Ficus mammilatus
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Ficopsis remondi
(Gabb 1864)
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| recombined as Ficus remondii | ||||||||||
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Gastropoda
- Neogastropoda
- Olividae
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Olivella mathewsoni
(Gabb 1864)
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| original and current combination Olivella mathewsonii | ||||||||||
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Gastropoda
- Neogastropoda
- Cancellariidae
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? Bonellitia sp.
Jousseaume 1887
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Gastropoda
- Neogastropoda
- Buccinidae
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Strepsidura ? ficus
(Gabb 1864)
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Gastropoda
- Neogastropoda
- Nassariidae
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Molopophorus striatus
(Gabb 1869)
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Gastropoda
- Neogastropoda
- Muricidae
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"Murex" ? beali
Anderson and Hanna 1925
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| synonym of Muricopsis whitneyi | ||||||||||
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Gastropoda
- Neogastropoda
- Conidae
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Conus horni
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Gastropoda
- Strombidae
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Ectinochilus sp.
Cossmann 1889
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| synonym of Rimella | ||||||||||
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Gastropoda
- Heterostropha
- Pyramidellidae
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Pyramidellidae indet.
Gray 1840
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana uvasana
(Dickerson 1915)
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| recombined as Saccella uvasana | ||||||||||
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Nuculana cf. gabbi
(Conrad 1866)
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| nomen nudum belonging to Nuculanidae | ||||||||||
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Bivalvia
- Solenida
- Solenidae
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? Solen sp.
Linnaeus 1758
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Bivalvia
- Pholadida
- Corbulidae
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Corbula horni
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Bivalvia
- Cardiida
- Veneridae
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Pitar cf. uvasana
(Conrad 1855)
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Callista cf. conradiana
(Gabb 1864)
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| recombined as Microcallista (Costacallista) conradiana | ||||||||||
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Callista cf. horni
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Bivalvia
- Cardiida
- Mactridae
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Spisula cf. merriami
(Packard 1916)
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| recombined as Mactromeris merriami | ||||||||||
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Spisula cf. acutirostrata
Packard 1916
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| recombined as Mactromeris acutirostrata | ||||||||||
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Bivalvia
- Cardiida
- Tellinidae
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Tellinidae indet.
Blainville 1814
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Bivalvia
- Cardiida
- Cardiidae
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? Nemocardium sp.
Meek 1876
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Acanthocardia breweri
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Bivalvia
- Carditida
- Carditidae
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Venericardia sp.
Lamarck 1801
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| minute specimens | ||||||||||
| 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 |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Middle Eocene | ||
| Age range of interval: | 47.80000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Tejon | Member: | Metralla Sandstone | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: near top of Metralla Sandstone | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| 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 IP8660 | ||
| Database number: | 194184 | ||
| Authorizer: | P. Holroyd | Enterer: | P. Holroyd | Research group: | marine invertebrate |
| Created: | 2018-06-16 19:57:14 | Last modified: | 2018-06-16 19:57:14 |
| Access level: | the public | Released: | 2018-06-16 19:57:14 |
| 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] |