Hakui-gun (Loc. 3): Middle Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Cassidulina margareta
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Echinoidea
- Spatangoida
- Schizasteridae
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Linthia sp.
Desor 1853
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Mammalia
- Perissodactyla
- Paleoparadoxiidae
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Paleoparadoxia sp.
Reinhart 1959
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Chondrichthyes
- Myliobatiformes
- Myliobatidae
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Rhinoptera sp.
Cuvier 1829
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Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
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Galeocerdo aduncus
(Agassiz 1835)
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Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
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Carcharhinus acanthodon
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Carcharhinus priscus
Agassiz 1843
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Carcharhinus egertoni
Agassiz 1843
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Chondrichthyes
- Carcharhiniformes
- Hemigaleidae
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Hemipristis serra
Agassiz 1835
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Chondrichthyes
- Lamniformes
- Alopiidae
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Alopias superciliosus
(Lowe 1840)
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Chondrichthyes
- Lamniformes
- Odontaspididae
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Odontaspis volax
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Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharocles megalodon
(Agassiz 1835)
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| recombined as Otodus megalodon | ||||||||||
| Two fragmental teeth specimens (KUE1677, 1642) | ||||||||||
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Chondrichthyes
- Lamniformes
- Lamnidae
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Isurus hastalis
(Agassiz 1838)
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| recombined as Carcharodon hastalis | ||||||||||
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Isurus desori
Sismonda 1849
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Isurus planus
(Agassiz 1856)
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Chondrichthyes
- Lamniformes
- Carchariidae
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Eugomphodus acutissima
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| synonym of Carcharias | ||||||||||
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Eugomphodus cuspidatus
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| synonym of Carcharias | ||||||||||
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Chondrichthyes
- Squalomorphii
- Hexanchidae
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Hexanchus gigas
(Sismonda 1857)
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Chondrichthyes
- Squalomorphii
- Pristiophoridae
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Pristiophorus sp.
Bleeker 1859
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Chondrichthyes
- Dalatiidae
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Dalatias licha
(Bonnaterre 1788)
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Chondrichthyes
- Squatinidae
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Squatina sp.
Dumeril 1806
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Scaphopoda
- Dentaliida
- Dentaliidae
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Fissidentalium yokoyamai
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Bivalvia
- Pectinida
- Pectinidae
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Chlamys sp.
Röding 1798
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Gloripallium crassivenium
(Yokoyama 1929)
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea sp.
Linnaeus 1758
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Bivalvia
- Lucinida
- Lucinidae
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Lucinoma acutilineatum
(Conrad 1849)
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| recombined as Lucinoma acutilineata | ||||||||||
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Globothalamea
- Rotaliida
- Cibicididae
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Cibicides sp.
Monfort 1808
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Globothalamea
- Rotaliida
- Discorbidae
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Buccella lanai
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Globigerinidae
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Globigerina sp.
d'Orbigny 1826
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| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Hokuriku |
| Coordinates: | 37.2° North, 136.7° East (view map) | ||
| Paleocoordinates: | 39.8° North, 134.1° East | ||
| Basis of coordinate: | stated in text |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Middle Miocene | Nannofossil zone: | CN4-CN5a |
| Age range of interval: | 15.98000 - 11.63000 m.y. ago |
Stratigraphy
| Formation: | Sekinobana | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: CN4 to CN5a of Calcareous Nannoplankton Zone by Okada and Bukry (Kami et a!. , 1981) . | |||||
Lithology and environment
| Primary lithology: | conglomeratic sandstone |
| Lithology description: Pebbly conglomerate, coarse-grained sandstone, coquina and fine to medium- grained sandstone | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: The described specimens are reposited at the Department of Earth Sciences, Faculty of Science, Kanazawa University. | |
Metadata
| Database number: | 161492 | ||
| Authorizer: | C. Jaramillo | Enterer: | C. Pimiento |
| Created: | 2014-09-06 20:46:32 | Last modified: | 2014-09-06 20:46:32 |
| Access level: | the public | Released: | 2014-09-06 20:46:32 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 52618. | H. Karasawa. 1989. Late Cenozoic Elasmobranchs from the Hokuriku district, central Japan. The Science reports of the Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento] |