Daito Limestone: Zanclean - Piacenzian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Chondrichthyes
- Lamniformes
- Otodontidae
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Carcharodon megalodon
(Agassiz 1835)
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| recombined as Otodus megalodon | |||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Okinawa |
| Coordinates: | 25.9° North, 131.3° East (view map) | ||
| Paleocoordinates: | 25.9° North, 132.0° East | ||
| Basis of coordinate: | based on political unit | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Pliocene |
| 10 m.y. bin: | Cenozoic 6 | ||
| Key time interval: | Zanclean - Piacenzian | ||
| Age range of interval: | 5.33300 - 2.58000 m.y. ago | ||
| Age estimate: | 4.7 to 3.3 Ma (other) |
Stratigraphy
| Formation: | Daito | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Age after Boessenecker et al., 2019, who reported the collection number as 152404, which is a mistake.
From the text: latest Pliocene ? or more probably Pleistocene | |||||
Lithology and environment
| Primary lithology: | framestone |
| Secondary lithology: | rudstone |
| Environment: | reef, buildup or bioherm |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some genera |
| Collection methods: | field collection |
| Reason for describing collection: | general faunal/floral analysis |
| Collection method comments: The Holotype is stored in the Institute of Geology and Palaeontology, Tohoku Imperial University; Reg. No. 56624. | |
Metadata
| Database number: | 152398 | ||
| Authorizer: | C. Jaramillo | Enterer: | C. Pimiento |
| Modifier: | M. Uhen | ||
| Created: | 2013-11-20 08:19:34 | Last modified: | 2019-02-19 13:57:09 |
| Access level: | the public | Released: | 2013-11-20 08:19:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 49050. | H. Yabe and T. Sugiyama. 1935. Notes on a Fossil Shark's Tooth Found in the Daito Limestone of Kita-Daito-Zima, Borodino Islands. Proceedings of the Imperial Academy 11(4):149-151 [C. Jaramillo/C. Pimiento] |
Secondary references:
| 13595 | R. W. Boessenecker, D. J. Eheret, D. J. Long, M. Churchill, E. Martin and S. J. Boessenecker. 2019. The Early Pliocene extinction of the mega-toothed shark Otodus megalodon: a view from the eastern North Pacific. PeerJ 7:e6088 [M. Uhen/M. Uhen/M. Uhen] |