BT01-09, Bac Thuy section: Smithian, Vietnam
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda
- Phylloceratida
- Galfettitidae
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Urdyceras tulongensis
Brühwiler et al. 2010
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(4 measurements) | ||||||||||
Galfettites simplicitatis
Brayard and Bucher 2008
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Cephalopoda
- Ceratitida
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Ceratitida informal genus indet. B
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Cephalopoda
- Ceratitida
- Ussuriidae
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Ussuria kwangsiana
Chao 1959
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(1 measurement) | ||||||||||
Cephalopoda
- Ceratitida
- Aspenitidae
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Aspenites acutus
Hyatt and Smith 1905
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Cephalopoda
- Ceratitida
- Melagathiceratidae
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Paranannites sp.
Hyatt and Smith 1905
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(1 measurement) | ||||||||||
? Jinyaceras sp.
Brayard and Bucher 2008
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(1 measurement) | ||||||||||
Jinyaceras cf. bellum
Brayard and Bucher 2008
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(1 measurement) | ||||||||||
Cephalopoda
- Ceratitida
- Proptychitidae
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Pseudaspidites muthianus
(Krafft and Diener 1909)
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(1 measurement) | ||||||||||
Cephalopoda
- Ceratitida
- Arctoceratidae
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Submeekoceras hsuyuchieni
(Chao 1959)
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(2 measurements) | ||||||||||
see common names |
Geography
Country: | Vietnam |
Coordinates: | 21.7° North, 106.7° East (view map) |
Paleocoordinates: | 6.1° North, 98.3° East |
Basis of coordinate: | estimated from map |
Geographic resolution: | small collection |
Time
Period: | Triassic | Epoch: | Early/Lower Triassic |
Stage: | Olenekian | 10 m.y. bin: | Triassic 1 |
Key time interval: | Smithian | Ammonoid zone: | Urdyceras tulongensis |
Age range of interval: | 251.20000 - 248.90000 m.y. ago |
Stratigraphy
Formation: | Bac Thuy |
Stratigraphic resolution: | bed |
Lithology and environment
Primary lithology: | lithified "limestone" |
Environment: | slope |
Taphonomy
Modes of preservation: | body,mold/impression |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: Repository: All cephalopod, gastropod, ostracod and conodont specimens are reposited at the National Museum of Nature and Science, Tsukuba. Bivalves are stored in the Faculty of Science, Kumamoto University, Kumamoto, and radiolarian specimens are stored at Tokyo Gakugei University, Koganei. |
Metadata
Database number: | 155485 | ||
Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
Created: | 2014-04-15 17:32:47 | Last modified: | 2014-04-15 17:32:47 |
Access level: | the public | Released: | 2014-04-15 17:32:47 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
50775. | Y. Shigeta, T. Komatsu, T. Maekawa and H. T. Dang. 2014. Olenekian (Early Triassic) stratigraphy and fossil assemblages in northeastern Vietnam. National Museum of Nature and Science Monographs 45:1-309 [M. Clapham/M. Clapham] |