Where: San Luis Obispo County, California (35.5° N, 120.3° W: paleocoordinates 35.0° N, 117.4° W)
• coordinate based on unpublished field data
When: Santa Margarita Formation, Tortonian (11.6 - 7.2 Ma)
• age after Scheirer and Magoon 2007
• formation-level stratigraphic resolution
Environment/lithology: shoreface; sandstone
Size class: macrofossils
Preservation: original phosphate
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 52202: authorized by Mark Uhen, entered by Mark Uhen on 01.08.2005, edited by John Alroy
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
Testudininae indet. Gray 1825 turtle | |
Mammalia | |
Sirenia indet. sirenian | |
Carnivora indet. Bowdich 1821 carnivoran | |
| |
Camelidae indet. Gray 1821 camel | |
Delphinoidea indet. Flower 1865 toothed whale
Mysticeti indet. Cope 1891 whale | |
| |
Actinopteri | |
Chondrichthyes | |
Squatina sp. Dumeril 1806 angel shark | |
Galeocerdo sp. Müller and Henle 1837 tiger shark | |
Isurus sp. Rafinesque 1810 mackerel shark | |
Dasyatis sp. Rafinesque 1810 whiptail stingray | |
Myliobatoidea indet. stingray |