Nagaoka, south: Late/Upper Pliocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Sirenia
- Dugongidae
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Hydrodamalis sp.
Retzius 1794
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1 specimen | |||||||||
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Gastropoda
- Turritellidae
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Turritella saishuensis
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| subspecies motizukii, subspecies saishuensis | ||||||||||
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Gastropoda
- Naticidae
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Cryptonatica janthostomoides
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Gastropoda
- Pseudomelaniidae
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Antiplanes contraria
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Bivalvia
- Nuculanida
- Nuculanidae
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Nuculana yokoyamai
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Bivalvia
- Nuculanida
- Yoldiidae
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Yoldia notabilis
Yokoyama 1922
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| recombined as Yoldia (Cnesterium) notabilis | ||||||||||
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Bivalvia
- Nuculida
- Nuculidae
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Acila insignis
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Bivalvia
- Pectinida
- Pectinidae
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Mizuhopecten tokyoensis
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Mizuhopecten yokoyamae
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Bivalvia
- Arcida
- Cucullaeidae
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Arca boucardi
Jousseaume 1894
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| recombined as Tetrarca boucardi | ||||||||||
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Bivalvia
- Arcida
- Arcidae
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Anadara amicula
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| supspecies elongate | ||||||||||
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Bivalvia
- Arcida
- Glycymerididae
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Glycymeris yessoensis
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Bivalvia
- Cardiida
- Tellinidae
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Macoma praetexta
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Bivalvia
- Pholadida
- Myidae
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Mya japonica
Jay 1857
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| synonym of Mya (Arenomya) arenaria | ||||||||||
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Bivalvia
- Pandorida
- Pandoridae
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Pandora pulchella
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Bivalvia
- Thraciida
- Myochamidae
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Myadora japnica
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Bivalvia
- Lucinida
- Lucinidae
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Triodonta borealis
(Linnaeus 1767)
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| recombined as Lucinoma (Lucinoma) borealis | ||||||||||
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Lucinoma annulata
(Reeve 1850)
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| recombined as Lucinoma annulatum | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Niigata |
| Coordinates: | 37.3° North, 138.8° East (view map) | ||
| Paleocoordinates: | 37.9° North, 138.2° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
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 - 2.58000 m.y. ago |
Stratigraphy
| Formation: | Shiroiwa |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | sandy siltstone |
| Includes fossils? | Y |
| Lithology description: sandy siltstone | |
| Environment: | coastal indet. |
Taphonomy
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 89861 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen | Research group: | vertebrate |
| Created: | 2009-06-17 08:10:58 | Last modified: | 2009-06-17 11:10:58 |
| Access level: | the public | Released: | 2009-06-17 08:10:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 30098. | M. Kato, I. Kabayashi, S. Kabayashi, I. Sasagawa, T. Shinmura, K. Tamura, H. Horikawa and M. Miyawaki. 2008. Discovery of the Hydrodamalinae (Sirenia, Mammalia) from the Late Pliocene Shiroiwa Formation in Nagaoka City, Niigata Prefecture. Bulletin of the Nagaoka Municipal Science Museum 43:1-20 [M. Uhen/M. Uhen] |