Where: Marin County, California (37.9° N, 122.7° W: paleocoordinates 37.5° N, 120.8° W)
• coordinate stated in text
When: Nitzschia reinholdii other zone, Santa Cruz Formation, Messinian (7.2 - 5.3 Ma)
• between 6.8 and 6.0 Ma, formerly considered to be part of the Monterey Formation. “subzone a” of the Nitzschia reinholdii Zone
•
•Diatoms recovered from the same stratum as the holotype correlate with “subzone a” of the Nitzschia reinholdii Zone [185], indicating an age range of 7.6–6.7 Ma [130, 172]. (Marx & Fordyce, 2015)
• formation-level stratigraphic resolution
Environment/lithology: fluvial; mudstone
Size class: macrofossils
Preservation: original phosphate
Primary reference: C. V. Zeigler, G. L. Chan, and L. G. Barnes. 1997. A new late Miocene balaenopterid whale (Cetacea: Mysticeti), Parabalaenoptera baulinensis, (new genus and species) from the Santa Cruz Mudstone, Point Reyes Peninsula, California. Proceedings of the California Academy of Sciences 50(4):115-138 [M. Uhen/M. Uhen/M. Uhen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 46902: authorized by Mark Uhen, entered by Mark Uhen on 26.01.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Bacillariophyceae | |
Nitzschia reinholdi diatom | |
Bivalvia | |
? Acesta sp. Adams and Adams 1858 file clam | |
Mammalia | |
Parabalaenoptera baulinensis n. gen. n. sp.
Parabalaenoptera baulinensis n. gen. n. sp. Zeigler et al. 1997 whale |