Also known as Purisima Formation - Scotts Valley, Felton, Santa Cruz
Where: Santa Cruz County, California (37.0° N, 122.0° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Purisima Formation, Late/Upper Miocene to Late/Upper Miocene (11.6 - 3.6 Ma)
• From lower 60 m. Purisima Formation in its type area is as much as 1725 m thick; Diatom floras in Purisima Fm are diagnostic of a late Miocene and early Pliocene age.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, diatomaceous, tuffaceous, gray, yellow siltstone and gray, blue sandstone
Size class: macrofossils
Reposited in the UMMP
Collection methods: quarrying,
• Also collections at USGS, Menlo Park
Primary reference: J. C. Clark. 1981. Stratigraphy, paleontology, and geology of the Central Santa Cruz Mountains, California Coast Ranges. United States Geological Survey Professional Paper 1168:1-51 [A. Miller/A. Hendy/R. McClees-Funinan]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 37551: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
Acila (Truncacila) castrensis Hinds 1843 divaricate nutclam | |
Yoldia sp. Möller 1842 clam | |
"? Chlamys hericius" = Chlamys hastata
"? Chlamys hericius" = Chlamys hastata Sowerby 1842 spear scallop | |
Macoma sp. Leach 1819 tellin clam
Macoma cf. planiuscula tellin clam | |
"Lucinoma cf. annulata" = Lucinoma annulatum
"Lucinoma cf. annulata" = Lucinoma annulatum Reeve 1850 ringed lucine | |
Gastropoda | |
Neptunea (Sulcosipho) tabulata Baird 1863 tabled whelk | |
Crepidula cf. onyx Sowerby 1824 onyx slippersnail | |
"Forreria coalingensis" = Forreria coalingense
"Forreria coalingensis" = Forreria coalingense Arnold 1909 murex snail |