Iruma River, Noda (locality 2): Early/Lower Pleistocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Insecta
- Lepidoptera
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Lepidoptera indet.
Linnaeus 1758
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1 specimen | |||||||||
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Insecta
- Coleoptera
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Coleoptera indet.
Linnaeus 1758
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47 specimens | |||||||||
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Insecta
- Coleoptera
- Elateridae
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Elateridae indet.
Leach 1815
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1 specimen | |||||||||
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Insecta
- Coleoptera
- Scarabaeidae
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Aphodius sp.
Hellwig 1798
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1 specimen | |||||||||
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Onthophagus sp.
Latreille 1802
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1 specimen | |||||||||
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Insecta
- Coleoptera
- Geotrupidae
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Geotrupes sp.
Latreille 1796
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2 specimens | |||||||||
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Insecta
- Coleoptera
- Hydrophilidae
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Coelostoma sp.
Brullé 1835
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13 specimens | |||||||||
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Insecta
- Coleoptera
- Staphylinidae
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Staphylinidae indet.
(Latreille 1802)
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1 specimen | |||||||||
| original and current combination Staphyliniae | ||||||||||
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Insecta
- Coleoptera
- Chrysomelidae
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Gastrolina ? peltoidea
(Gebler 1832)
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1 specimen | |||||||||
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Donacia cf. hiurai
Kimoto 1983
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2 specimens | |||||||||
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Donacia cf. ozensis
Nakane 1954
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13 specimens | |||||||||
| recombined as Donacia (Donacia) ozensis | ||||||||||
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Donacia (Cyphogaster) sp.
Goecke 1934
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4 specimens | |||||||||
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Plateumaris sp.
Thomson 1859
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104 specimens | |||||||||
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Plateumaris dorsata n. sp.
Hayashi 1997
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Hayashi 1997 | 26 specimens | ||||||||
| Part of Plateumaris sp. in Hayashi, 1996 (13 measurements) | ||||||||||
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Linaeidea ? aenea
(Linnaeus 1758)
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4 specimens | |||||||||
| recombined as Plagiosterna aenea | ||||||||||
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Insecta
- Coleoptera
- Curculionidae
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Limnobaris sp.
Bedel 1885
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1 specimen | |||||||||
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? Limnobaris sp.
Bedel 1885
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1 specimen | |||||||||
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Insecta
- Coleoptera
- Carabidae
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Carabidae indet.
(Latreille 1802)
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21 specimens | |||||||||
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Panagaeinae indet.
(Bonelli 1810)
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1 specimen | |||||||||
| corrected as Panagaeini | ||||||||||
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Calosoma ? inquisitor
(Linnaeus 1758)
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1 specimen | |||||||||
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Carabus (Carabus) sp.
Linnaeus 1758
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2 specimens | |||||||||
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Carabus (Ohomopterus) sp.
Reitter 1896
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2 specimens | |||||||||
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Insecta
- Coleoptera
- Gyrinidae
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Gyrinus sp.
Geoffroy 1762
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7 specimens | |||||||||
| see common names | ||||||||||
Geography
| Country: | Japan |
| Coordinates: | 35.8° North, 139.3° East (view map) |
| Paleocoordinates: | 36.2° North, 139.0° East |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Early/Lower Pleistocene | ||
| Age range of interval: | 2.58000 - 0.77400 m.y. ago |
Stratigraphy
| Formation: | Bushi | Member: | Lowest | ||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Based on pollen analysis, Nirei (1995) states that the lowest member corresponds to the lower part of the Metasequoia Zone of Osaka Group in Kinki region, which is assigned to the latest Pliocene to Early Pleistocene. | |||||
Lithology and environment
| Primary lithology: | poorly lithified lignite | ||
| Environment: | mire/swamp | Tectonic setting: | forearc basin |
Taphonomy
| Modes of preservation: | adpression,original chitin |
| Size of fossils: | macrofossils,mesofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Repository: Osaka Museum of Natural History (OMNH) | |
Metadata
| Database number: | 153617 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | paleoentomology |
| Created: | 2014-01-01 22:12:59 | Last modified: | 2014-08-08 19:18:06 |
| Access level: | the public | Released: | 2014-01-01 22:12:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 49679. | M. Hayashi. 1996. Insect fossil assemblage and paleoenvironments from the Early Pleistocene Bushi Formation in Saitama Prefecture, Japan. Earth Science (Chikyu Kagaku) 50:223-237 [M. Clapham/M. Clapham/M. Clapham] |
Secondary references:
| 49678 | M. Hayashi. 1997. An extinct fossil species of the genus Plateumaris from the Lower Pleistocene in Saitama Prefecture, Japan (Coleoptera: Chrysomelidae: Donaciinae). Earth Science (Chikyu Kagaku) 51:361-370 [M. Clapham/M. Clapham] |