Lawrence Canyon 6: Hemphillian, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia - Sirenia - Dugongidae
Hydrodamalis cuestae Domning 1978
Mammalia - Carnivora - Otariidae
Otariinae indet. Gray 1825
Mammalia - Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864
Chondrichthyes - Lamniformes - Lamnidae
Carcharodon cf. sulcidens (Agassiz 1835)
synonym of Carcharodon carcharias
Chondrichthyes - Squalomorphii - Hexanchidae
Notorhynchus sp. Ayres 1855
see common names

Geography
Country:United States State/province:California County:San Diego
Coordinates: 33.2° North, 117.4° West (view map)
Paleocoordinates:32.8° North, 114.8° West
Basis of coordinate:unpublished field data
Time
Period:Neogene
10 m.y. bin:Cenozoic 6
Key time interval:Hemphillian
Age range of interval:9.40000 - 4.70000 m.y. ago
Stratigraphy
Formation:San Mateo
Lithology and environment
Primary lithology: sandy siltstone
Includes fossils?Y
Environment:estuary/bay
Geology comments: estuarine to fluvial
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:UCMP
Metadata
Also known as:UCMP V68148
Database number:52220
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:B. Shipps Research group:vertebrate
Created:2005-08-01 10:50:08 Last modified:2017-02-26 16:22:49
Access level:the public Released:2005-08-01 10:50:08
Creative Commons license:CC BY
Reference information

Primary reference:
6029.5% 34240D. P. Domning. 1978. Sirenian evolution in the North Pacific Ocean. University of California Publications in Geological Sciences 118:1-176 [M. Uhen/M. Uhen/M. Uhen]