Also known as Santa Cruz Mudstone - Scotts Valley, Felton, Santa Cruz
Where: Santa Cruz County, California (37.0° N, 122.0° W: paleocoordinates 36.6° N, 119.5° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Santa Cruz Formation, Late/Upper Miocene (11.6 - 5.3 Ma)
• Around 140 m thick at type section, but more than 2,700 m thick in core holes; overlain by Purisima Formation, conformable above the Santa Margarita Sandstone.
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, concretionary, dolomitic, brown, yellow, sandy mudstone
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 37547: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004, edited by Mark Uhen
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Yoldia sp. Möller 1842 clam | |
"Pecten (Plagioctenium) andersoni" = Pacipecten andersoni
"Pecten (Plagioctenium) andersoni" = Pacipecten andersoni Arnold 1906 scallop | |
"Lucinoma cf. annulata" = Lucinoma annulatum
"Lucinoma cf. annulata" = Lucinoma annulatum Reeve 1850 clam | |
Ophiuroidea | |
Amphiura santaecrucis brittle star | |
Echinoidea | |
Megapetalus sp. Clark 1929 heart urchin |