Bolinas Point: Messinian, California
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Cetacea
|
||||||||||
|
Parabalaenoptera baulinensis n. gen., n. sp.
Zeigler et al. 1997
|
1 specimen | |||||||||
| (1 measurement) | ||||||||||
|
Bivalvia
- Pectinida
- Limidae
|
||||||||||
|
? Acesta sp.
Adams and Adams 1858
|
||||||||||
|
Bacillariophyceae
- Bacillariales
- Bacillariaceae
|
||||||||||
|
Nitzschia reinholdi
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | California | County: | Marin |
| Coordinates: | 37.9° North, 122.7° West (view map) | ||||
| Paleocoordinates: | 37.5° North, 120.8° West | ||||
| Basis of coordinate: | stated in text |
Time
| Period: | Neogene | Epoch: | Miocene |
| Stage: | Messinian | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Messinian | Other zone: | Nitzschia reinholdii |
| Age range of interval: | 7.24600 - 5.33300 m.y. ago | ||
| Age estimate: | 7.6 to 6.74 Ma (other) |
Stratigraphy
| Formation: | Santa Cruz | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: 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) | |||||
Lithology and environment
| Primary lithology: | mudstone |
| Includes fossils? | Y |
| Environment: | fluvial indet. |
| Geology comments: fluvial influence, transgressive, shallow, coastal plain | |
Taphonomy
| Modes of preservation: | body,original phosphate |
| Size of fossils: | macrofossils |
| Associated major elements: | some |
Collection methods and comments
| Collection excludes: | some microfossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 46902 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2005-01-26 07:03:56 | Last modified: | 2019-10-02 17:44:58 |
| Access level: | the public | Released: | 2005-01-26 07:03:56 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 12464. | 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] |
Secondary references:
| 55050 | F. G. Marx and R. E. Fordyce. 2015. Baleen boom and bust: a synthesis of mysticete phylogeny, diversity and disparity. Royal Society Open Science 2:140434 [M. Uhen/M. Uhen] |