Laguna Hills: Zanclean, California

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Lamniformes - Lamnidae
Isurus sp. Rafinesque 1810
Mammalia - Cetacea - Physeteridae
Physeteridae indet. Gray 1821
McLeod 1988 1 specimen
Mammalia - Cetacea
cf. Scaldicetus sp. Du Bus 1867
Mammalia - Cetacea - Balaenopteridae
Balaenopteridae indet. Gray 1864
Barnes et al. 1984
Mammalia - Carnivora
Imagotariinae indet. Mitchell 1968
Mammalia - Carnivora - Otariidae
Arctocephalinae indet. (Scheffer and Rice 1963)
Mammalia - Sirenia - Dugongidae
Hydrodamalis cuestae Domning 1978
see common names

Geography
Country:United States State/province:California County:Orange
Coordinates: 33.6° North, 117.7° West (view map)
Paleocoordinates:33.4° North, 116.4° West
Basis of coordinate:estimated from map
Time
Period:Neogene Epoch:Pliocene
Stage:Zanclean 10 m.y. bin:Cenozoic 6
Key time interval:Zanclean
Age range of interval:5.33300 - 3.60000 m.y. ago
Stratigraphy
Formation:Capistrano
Stratigraphy comments: ?Middle Pliocene, siltstone member
Lithology and environment
Primary lithology:gray sandstone
Secondary lithology: siltstone
Includes fossils?Y
Lithology description: gray siltstone grading into orange pebbly sandstone
Environment:marine indet.
Geology comments: depth of 1500 meters or deeper, largely biogenous diatomaceous sediment, basin
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:LACM
Metadata
Also known as:LACM 3820
Database number:52223
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:A. Hendy Research group:vertebrate
Created:2005-08-01 11:03:53 Last modified:2020-06-16 03:24:45
Access level:the public Released:2005-08-01 11:03:53
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]

Secondary references:

12695 L. G. Barnes. 1987. A Fossil Baleen Whale. Whale Watcher 21(4):7-10 [M. Uhen/M. Uhen/M. Uhen]
12591 L. G. Barnes, R. E. Raschke, and J. C. Brown. 1984. A fossil baleen whale from the Capistrano Formation in Laguna Hills, California. The Natural sciences of Orange County: a collection of occasional papers concerning the natural sciences of Orange County, in celebration of the tenth anniversary of the Natural History Foundation of Orange County 11-18 [M. Uhen/M. Uhen/M. Uhen]
15374 S. A. McLeod. 1988. A fossil sperm whale from Orange County, California. Memoirs of the Natural History Foundation of Orange County 2:22-28 [M. Uhen/M. Uhen]