List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Caldesia sp.
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1 specimen | ||||||
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Angiospermae
- Sapindales
- Sapindaceae
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Acer tricuspidatum
Braun 1845
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1 specimen | ||||||
| synonym of Acer trilobatum | |||||||
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Angiospermae
- Fabales
- Fabaceae
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Lespedeza tatsumitogeana
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2 specimens | ||||||
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Lespedeza sp.
Michaux 1803
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4 specimens | ||||||
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Cladrastis aniensis
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9 specimens | ||||||
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Angiospermae
- Rosales
- Rhamnaceae
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Berchemia miofloribunda
Hu and Chaney 1940
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1 specimen | ||||||
| recombined as Berhamniphyllum miofloribundum | |||||||
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Angiospermae
- Malpighiales
- Salicaceae
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Salix misaotatewakii
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31 specimens | ||||||
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Salix sp.
Linnaeus 1753
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2 specimens | ||||||
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Salix cf. integra
Göppert 1852
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31 specimens | ||||||
| replaced by Salix wyomingensis | |||||||
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Angiospermae
- Moraceae
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"Ficus" tiliaefolia
(Br)
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68 specimens | ||||||
| original and current combination Cordia tiliaefolia | |||||||
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Angiospermae
- Cornales
- Cornaceae
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Cornus cf. miowalteri
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1 specimen | ||||||
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Angiospermae
- Saxifragales
- Hamamelidaceae
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Liquidambar japonica
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1 specimen | ||||||
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Liquidambar miosinica
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3 specimens | ||||||
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Angiospermae
- Laurales
- Lauraceae
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Cinnamomum cf. camphora
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1 specimen | ||||||
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Angiospermae
- Poales
- Cyperaceae
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Carex spp.
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6 specimens | ||||||
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Angiospermae
- Alismatales
- Potamogetonaceae
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Potamogeton sp.
Linnaeus 1753
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70 specimens | ||||||
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Coniferales
- Cupressaceae
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Taxodium dubium
(Sternberg 1824)
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2 specimens | ||||||
| original and current combination Phyllites dubius | |||||||
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Metasequoia occidentalis
Chaney 1951
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18 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Gunma |
| Coordinates: | 36.5° North, 139.0° East (view map) | ||
| Paleocoordinates: | 37.9° North, 137.4° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| *Period: | Late/Upper Tertiary | *Epoch: | Late/Upper Miocene - Early/Lower Pliocene |
| *International age/stage: | Tortonian - Messinian | ||
| Key time interval: | Tortonian - Messinian | ||
| Age range of interval: | 11.63000 - 5.33300 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Lithology and environment
| Primary lithology: | conglomerate |
| Lithology description: The exposure with about 10 m thickness is composed of two cyclothems of conglomerate to fine grained rock, and is in the middle upper part of the upper member. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | original carbon |
| Size of fossils: | macrofossils |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 21250 | ||
| Authorizer: | H. Sims | Enterer: | H. Lindon |
| Modifier: | J. Cassara | Research group: | paleobotany |
| Created: | 2002-06-22 08:19:27 | Last modified: | 2004-02-04 07:31:24 |
| Access level: | the public | Released: | 2002-06-22 08:19:27 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6513. | K. Ozaki. 1991. Late Miocene and Pliocene Floras in Central Honshu, Japan. Bulletin of Kanagawa Prefectural Museam Natural Science Special Issue 1-244 [H. Sims/H. Lindon/H. Lindon] |