Also known as Rices Mudstone Member, San Lorenzo Formation (Newell Creek, Felton)
Where: Santa Cruz County, California (37.1° N, 122.1° W: paleocoordinates 36.1° N, 111.1° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Rices Mudstone Member (San Lorenzo Formation), Priabonian (38.0 - 33.9 Ma)
• Rices Mudstone Member is estimate to be as thick as 275 m; conformably overlain by Vaqueros Sandstone or Zayante Sandstone
• bed-level stratigraphic resolution
Environment/lithology: coastal; poorly lithified, fine-grained, concretionary, gray siltstone
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 37514: authorized by Austin Hendy, entered by Austin Hendy on 16.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Modiolus sp. Lamarck 1801 mussel | |
Panopea sp. Menard 1807 clam | |
Solen sp. Linnaeus 1758 clam | |
Pitar sp. Römer 1857 venus clam | |
Lucinoma sp. Dall 1901 clam | |
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell |