Wuchihshan Fm., Sample No. 74: Late/Upper Oligocene, Taiwan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Saccamminidae
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Saccammina sphaerica
Huang et al. 2019
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2 specimens | |||||||||
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unclassified
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Marginulina hantkeneni
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15 specimens | |||||||||
| spelled with current rank as Cristellaria (Marginulina) | ||||||||||
| cf. sp. | ||||||||||
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Lituolida
- Haplophragmoididae
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Cribrostomoides sp.
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354 specimens | |||||||||
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Lituolida
- Lituolidae
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Gaudryina hayasakai
Huang et al. 2019
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48 specimens | |||||||||
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Cyclammina tani
Huang et al. 2019
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2 specimens | |||||||||
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina spp.
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7 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Taiwan | State/province: | N/A |
| Coordinates: | 24.0° North, 120.7° East (view map) | ||
| Paleocoordinates: | 26.2° North, 119.8° East |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Chattian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Late/Upper Oligocene | ||
| Age range of interval: | 27.82000 - 23.03000 m.y. ago |
Stratigraphy
| Formation: | Wuchihshan |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | lithified siltstone | ||
| Lithology description: 20cm-thick siltstone interval above the Discocyclina-bearing bed of the Chuangliao Fm. | |||
| Environment: | marginal marine indet. | Tectonic setting: | rift |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | microfossils |
| Articulated whole bodies: | many |
| Temporal resolution: | time-averaged |
| Spatial resolution: | allochthonous |
Collection methods and comments
| Collection excludes: | all microfossils |
| Collection methods: | bulk,field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Database number: | 208560 | ||
| Authorizer: | A. Lin | Enterer: | A. Lin | Research group: | marine invertebrate,taphonomy |
| Created: | 2020-04-03 05:44:03 | Last modified: | 2020-04-03 05:44:03 |
| Access level: | the public | Released: | 2020-04-03 05:44:03 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 71925. | fossil record | C.-Y. Huang, L. Shao, M.-H. Wang, W.-G. Xue, P.-J. Qiao, Y.-C. Cui, and Y.-L. Hou. 2019. Benthic foraminiferal fauna and sedimen provenance of Eocene syn-rift sequences in Taiwan: implication for onset of Asian epi-continental marginal seas off China coast. Marine Geophysical Research 40(2):111-127 [A. Lin/A. Lin/M. Uhen] |