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
? Crepidula sp. Lamarck 1799
Gastropoda - Turritellidae
Turritella buwaldana Dickerson 1916
Turritella uvasana Conrad 1855
Gastropoda - Ficidae
Ficopsis horni
synonym of Ficus
Gastropoda - Cassidae
Galeodea sp. Link 1807
Gastropoda - Naticidae
Naticidae indet. Guilding 1834
Neverita secta Gabb 1864
synonym of Glossaulax reclusiana
? Amauropsis sp. Mörch 1857
Bivalvia - Cardiida - Mactridae
Spisula cf. merriami (Packard 1916)
recombined as Mactromeris merriami
Spisula acutirostrata Packard 1916
recombined as Mactromeris acutirostrata
Bivalvia - Cardiida - Cardiidae
Acanthocardia breweri
Bivalvia - Cardiida - Tellinidae
? Macoma sp. Leach 1819
Bivalvia - Carditida - Carditidae
Venericardia sp. Lamarck 1801
internal molds
Bivalvia - Carditida - Crassatellidae
? Crassatella sp. Lamarck 1799
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."
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]