Kitakoyama boulder: Late/Upper Pliocene, Japan
collected 1971
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
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Abides sp.
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Liquidamber sp.
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Angiospermae
- Malvales
- Tiliaceae
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Tilia sp.
Linnaeus 1753
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Angiospermae
- Fagales
- Betulaceae
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Alnus sp.
Miller 1754
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Angiospermae
- Fagales
- Juglandaceae
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Juglans sp.
Linnaeus 1753
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Angiospermae
- Ericales
- Ericaceae
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Ericaceae indet.
Jussieu 1789
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Angiospermae
- Aquifoliales
- Aquifoliaceae
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Ilex sp.
Linnaeus 1753
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Pinopsida
- Pinales
- Taxodiaceae
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Taxodiaceae indet.
Saporta 1865
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Pinopsida
- Pinales
- Pinaceae
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Pinus sp.
Linnaeus 1753
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Gastropoda
- Viviparidae
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Viviparus sp.
Montfort 1810
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Reptilia
- Testudines
- Trionychidae
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Trionyx miensis n. sp.
Okazaki and Yoshida 1977
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1 individual | ||||||
see common names |
Geography
Country: | Japan | State/province: | Mie |
Coordinates: | 34.8° North, 136.4° East (view map) | ||
Paleocoordinates: | 35.3° North, 135.8° East | ||
Basis of coordinate: | based on nearby landmark | ||
Altitude: | 88 meters | ||
Geographic resolution: | small collection |
Time
Period: | Neogene | Epoch: | Pliocene |
Stage: | Piacenzian | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Late/Upper Pliocene | ||
Age range of interval: | 3.60000 - 2.58800 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | fine,gray,blue siltstone |
Includes fossils? | Y |
Lithology description: "The matrix containing the skull is bluish grey silt to fine-grained sand and is easily dispersed in water." | |
Environment: | fluvial-lacustrine indet. |
Geology comments: "fresh water" deposition based on gastropod fauna |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils,mesofossils |
Preservation of anatomical detail: | excellent |
Articulated whole bodies: | none |
Associated major elements: | some |
Disassociated major elements: | some |
Fragmentation: | occasional |
Collection methods and comments
Collection methods: | surface (float),field collection |
Reason for describing collection: | taxonomic analysis | Collection dates: | 1971 |
Metadata
Also known as: | T. miensis type site | ||
Database number: | 34496 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2003-09-03 15:12:39 | Last modified: | 2010-11-08 12:42:18 |
Access level: | the public | Released: | 2003-09-03 15:12:39 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
9104. | 5% 29900 | Y. Okazaki and S. Yoshida. 1977. On a new fossil Trionyx from the Pliocene Age Group, Mie Prefecture, West Japan. Bulletin of the Mizunami Fossil Museum 4:87-95 [M. Carrano/M. Carrano/M. Uhen] |