Also known as LACM 3820
Where: Orange County, California (33.6° N, 117.7° W: paleocoordinates 33.4° N, 116.4° W)
• coordinate estimated from map
When: Capistrano Formation, Zanclean (5.3 - 3.6 Ma)
• ?Middle Pliocene, siltstone member
Environment/lithology: marine; gray sandstone and siltstone
Size class: macrofossils
Preservation: original phosphate
Reposited in the LACM
Primary reference: D. 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 52223: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Mammalia | |
Hydrodamalis cuestae Domning 1978 Cuesta sea cow | |
Imagotariinae indet. Mitchell 1968 pinniped | |
Arctocephalinae indet. Scheffer and Rice 1963 eared seal | |
| |
cf. Scaldicetus sp. Du Bus 1867 toothed whale | |
| |
Chondrichthyes | |
Isurus sp. Rafinesque 1810 mackerel shark |