Hannya: Burdigalian - Langhian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Mammalia
- Cetacea
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Parietobalaena sp.
Kellogg 1924
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1 specimen | |||||||||
| SMNH-VeF-62 | ||||||||||
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Mammalia
- Perissodactyla
- Paleoparadoxiidae
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Paleoparadoxia sp.
Reinhart 1959
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Matsui and Kawabe 2015 | 1 specimen | ||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Saitama |
| Coordinates: | 36.0° North, 139.0° East (view map) | ||
| Paleocoordinates: | 39.5° North, 136.4° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Burdigalian - Langhian | ||
| Age range of interval: | 20.44000 - 13.82000 m.y. ago | ||
| Age estimate: | 16.4 to 15.1 Ma (other) |
Stratigraphy
| Geological group: | Chichibumachi | Formation: | Nagura | ||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: The Nagura Formation forms the lowermost part of the Chichibumachi Group, which correlates with foraminiferal zone N8 [51, 110, 111] and thus spans the Burdigalian- Langhian boundary (16.4–15.1 Ma) [20, 54]. (Marx & Fordyce, 2015) | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | reef, buildup or bioherm |
| Geology comments: tropical, shallow, reef | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 133498 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | B. Shipps | Research group: | vertebrate |
| Created: | 2012-09-14 04:25:21 | Last modified: | 2017-02-26 15:50:42 |
| Access level: | the public | Released: | 2012-09-14 04:25:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 55133. | T. Kimura, O. Sakamoto, and Y. Hasegawa. 1998. A cetothere from the Miocene Chichibumachi Group, Saitama Prefecture, Japan. Bulletin of the Saitama Museum of Natural History 16:1-13 [M. Uhen/M. Uhen] |
Secondary references:
| 55050 | F. G. Marx and R. E. Fordyce. 2015. Baleen boom and bust: a synthesis of mysticete phylogeny, diversity and disparity. Royal Society Open Science 2:140434 [M. Uhen/M. Uhen] | |
| 55797 | K. Matsui and S. Kawabe. 2015. The Oldest Record of Paleoparadoxia from the Northwest Pacific with an Implication on the Early Evolution of Paleoparadoxiinae (Mammalia: Desmostylia). Paleontological Research 19(3):251-265 [M. Uhen/M. Uhen] |