Numata Town, Pliocene: Zanclean, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Mammalia
- Sirenia
- Dugongidae
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Sirenia indet.
Illiger 1811
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Furusawa et al. 1993 | |||||||||
Hydrodamalis perhaps? | ||||||||||
= Hydrodamalis spissa
Furusawa 1988
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Furusawa and Numata Fossil Research Group 1990 | |||||||||
synonym of Hydrodamalis cuestae | ||||||||||
Mammalia
- Cetacea
- Phocoenidae
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Numataphocoena yamashitai n. gen., n. sp.
Ichishima and Kimura 2000
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1 specimen | |||||||||
(3 measurements) | ||||||||||
Mammalia
- Cetacea
- Balaenidae
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Balaenidae indet.
(Gray 1821)
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Oishi and Hasegawa 1995 | 1 specimen | ||||||||
original and current combination Balanadae | ||||||||||
Balaenula sp.
Van Beneden 1872
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Oishi and Hasegawa 1995 | 1 specimen | ||||||||
Mammalia
- Cetacea
- Balaenopteridae
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Balaenopteridae indet.
Gray 1864
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Oishi and Hasegawa 1995 | |||||||||
Balaenoptera cf. acutorostrata
Lacépède 1804
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Oishi and Hasegawa 1995 | 1 specimen | ||||||||
Mammalia
- Cetacea
- Cetotheriidae
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Herpetocetinae indet.
Steeman 2007
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Tanaka et al. 2018 | 2 specimens | ||||||||
n. gen. n. sp. | ||||||||||
Mammalia
- Carnivora
- Odobenidae
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Odobenus sp.
Brisson 1762
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Kimura and Furusawa 1990 | 1 specimen | ||||||||
= Odobenini indet.
Allen 1880
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Kohno et al. 1995 | |||||||||
Mammalia
- Carnivora
- Otariidae
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Otariidae indet.
(Gray 1825)
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Yamashita and Kimura 1990 | 1 specimen | ||||||||
also see reference 16986 | ||||||||||
see common names |
Geography
Country: | Japan | State/province: | Hokkaido |
Coordinates: | 43.8° North, 141.9° East (view map) | ||
Paleocoordinates: | 44.0° North, 141.3° East | ||
Basis of coordinate: | stated in text |
Time
Period: | Neogene | Epoch: | Pliocene |
Stage: | Zanclean | 10 m.y. bin: | Cenozoic 6 |
Key time interval: | Zanclean | ||
Age range of interval: | 5.33300 - 3.60000 m.y. ago |
Stratigraphy
Geological group: | Fukagawa | Formation: | Horokaoshirarika |
Lithology and environment
Primary lithology: | gray,blue sandstone |
Secondary lithology: | tuff |
Includes fossils? | Y |
Lithology description: dark gray to dark bluish gray sandstone intercalated with a thin layer of pumice tuff bed named the Ops Tuff | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body,original phosphate |
Size of fossils: | macrofossils |
Spatial orientation: | preferred |
Preservation of anatomical detail: | good |
Articulated whole bodies: | some |
Collection methods and comments
Collection methods: | selective quarrying,surface (in situ),field collection |
Reason for describing collection: | taxonomic analysis |
Metadata
Also known as: | Numata-cho | ||
Database number: | 45803 | ||
Authorizer: | M. Uhen | Enterer: | M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2004-12-03 07:00:52 | Last modified: | 2019-10-01 22:13:24 |
Access level: | the public | Released: | 2004-12-03 07:00:52 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
12144. | H. Ichishima and M. Kimura. 2000. A new fossil porpoise (Cetacea; Delphinoidea; Phocoenidae) from the early Pliocene Horokaoshirarika Formation, Hokkaido, Japan. Journal of Vertebrate Paleontology 20(3):561-576 [M. Uhen/M. Uhen/M. Uhen] |
Secondary references:
70357 | H. Furusawa. 2005. Evolution of the North Pacific Sirenia (Hydrodamalinae) and their paleoenvironment. Fossils 77:29-33 [M. Uhen/M. Uhen] | |
18820 | H. Furusawa, T. Maeda, S. Yamashita, T. Sagayama, Y. Igarashi and M. Kimura. 1993. Geologic age and paleoenvironment of marine mammal fossils from Numata-cho, Hokkaido. Chikyu Kagaku) 47(2):133-146 [M. Uhen/M. Uhen] | |
18821 | H. Furusawa and Numata Fossil Research Group. 1990. Discovery and significance of the Takikawa sea cow (Hydrodamalis spissa) from Numata-cho, Uryu-gun, Hokkaido, Japan. Earth Science 44(4):224-228 [M. Uhen/M. Uhen] | |
34675 | M. Kimura and H. Furusawa. 1990. Fossils from the Ishikari Lowland (Mammals 4-Pinnipedia). Atlas of Japanese Fossils 62:372 [M. Uhen/M. Uhen/M. Uhen] | |
33319 | T. Kimura. 2009. Review of the fossil balaenids from Japan with a re-description of Eubalaena shinshuensis (Mammalia, Cetacea, Mysticeti). Quaderni del Museo di Storia Naturale di Livorno 22:3-21 [M. Uhen/M. Uhen] | |
34674 | N. Kohno, Y. Tomida, Y. Hasegawa and H. Furusawa. 1995. Pliocene tusked odobenids (Mammalia: Carnivora) in the Western North Pacific, and their paleobiogeography. Bulletin of the National Science Museum, Tokyo Series C (Geology & Paleontology) 21(3, 4):111-131 [M. Uhen/M. Uhen] | |
16986 | S. Miyazaki, H. Horikawa, N. Kohno, K. Hirota, M. Kimura, Y. Hasegawa, Y. Tomida, L. G. Barnes, and C. E. Ray. 1995. Summary of the fossil record of pinnipeds of Japan, and comparisons with that from the eastern North Pacific. The Island Arc 3:361-372 [M. Uhen/M. Uhen] | |
12148 | M. Oishi and Y. Hasegawa. 1995. A list of fossil cetaceans in Japan. The Island Arc 3:493-505 [M. Uhen/M. Uhen/M. Uhen] | |
48277 | Y. Tanaka, H. Furusawa, and L. G. Barnes. 2018. Fossil herpetocetine baleen whales (Cetacea, Mysticeti, Cetotheriidae) from the lower Pliocene Horokaoshirarika Formation at Numata, Hokkaido, northern Japan. Paleontological Research 22(4):295-306 [M. Uhen/L. Petruny/M. Uhen] | |
58923 | S. Yamashita and M. Kimura. 1990. Occurrence of Early Pliocene otariid fossil in Numata-cho, Hokkaido. Chikyu Kagaku 44:53-60 [M. Uhen/M. Uhen] |