List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Mammalia
- Carnivora
- Otariidae
|
||||||||||
|
Thalassoleon inouei n. sp.
Kohno 1992
|
1 specimen | |||||||||
|
Mammalia
- Cetacea
- Pontoporiidae
|
||||||||||
|
Pontoporiidae indet.
Gray 1870
|
Murakami 2012 | 1 specimen | ||||||||
|
Chondrichthyes
- Carcharhiniformes
- Sphyrnidae
|
||||||||||
|
Sphyrna zygaena
(Linnaeus 1758)
|
Yabe and Hirayama 1998 | |||||||||
|
Chondrichthyes
- Carcharhiniformes
- Triakidae
|
||||||||||
|
Galeorhinus sp.
de Blainville and Prévost 1816
|
Yabe and Hirayama 1998 | |||||||||
|
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
|
||||||||||
|
Carcharhinus sp.
de Blainville 1816
|
Yabe and Hirayama 1998 | |||||||||
| A, B, D, D, E | ||||||||||
|
Chondrichthyes
- Lamniformes
- Otodontidae
|
||||||||||
|
Parotodus benedeni
(Le Hon 1871)
|
Yabe and Hirayama 1998 | |||||||||
|
Carcharocles megalodon
(Agassiz 1835)
|
Yabe and Hirayama 1998 | |||||||||
| recombined as Otodus megalodon | ||||||||||
|
Chondrichthyes
- Lamniformes
- Lamnidae
|
||||||||||
|
Isurus hastalis
(Agassiz 1838)
|
Yabe and Hirayama 1998 | |||||||||
| recombined as Carcharodon hastalis | ||||||||||
|
Carcharodon carcharias
(Linnaeus 1758)
|
Yabe and Hirayama 1998 | |||||||||
|
Isurus oxyrinchus
Rafinesque 1810
|
Yabe and Hirayama 1998 | |||||||||
|
Chondrichthyes
- Lamniformes
- Carchariidae
|
||||||||||
|
Carcharias sp.
Rafinesque 1810
|
Yabe and Hirayama 1998 | |||||||||
|
Chondrichthyes
- Squalomorphii
- Pristiophoridae
|
||||||||||
|
Pristiophorus lanceolatus
(Davis 1888)
|
Yabe and Hirayama 1998 | |||||||||
| recombined as Pristiophorus lanceolata | ||||||||||
|
Chondrichthyes
- Dalatiidae
|
||||||||||
|
Dalatias licha
(Bonnaterre 1788)
|
Yabe and Hirayama 1998 | |||||||||
|
Isistius sp.
Gill 1864
|
Yabe and Hirayama 1998 | |||||||||
|
Chondrichthyes
- Squatinidae
|
||||||||||
|
Squatina sp.
Dumeril 1806
|
Yabe and Hirayama 1998 | |||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Chiba |
| Coordinates: | 35.2° North, 139.9° East (view map) | ||
| Paleocoordinates: | 36.0° North, 138.9° East | ||
| Basis of coordinate: | stated in text |
Stratigraphy
| Formation: | Senhata | ||||
| Stratigraphy comments: Age after Boessenecker et al., 2019. |
Lithology and environment
| Primary lithology: | coarse,gray,green sandstone |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 70006 | ||
| Authorizer: | M. Uhen | Enterer: | M. Uhen |
| Modifier: | M. Uhen | Research group: | vertebrate |
| Created: | 2007-03-14 06:40:19 | Last modified: | 2019-07-23 13:36:28 |
| Access level: | the public | Released: | 2007-03-14 06:40:19 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 23502. | N. Kohno. 1992. A new Pliocene fur seal (Carnivora: Otariidae) from the Senhata Formation on the Boso Peninsula, Japan. Natural History Research 2(1):15-28 [M. Uhen/M. Uhen/M. Uhen] |
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] | |
| 42905 | M. Murakami. 2012. First record of a pontoporiid cetacean (Odontoceti: Inioidea) from the late Miocene of Chiba, Japan. Society of Vertebrate Paleontology Abstracts of Papers 72:148 [M. Uhen/M. Uhen] | |
| 61738 | H. Yabe and R. Hirayama. 1998. Selachian fauna from the Upper Miocene Senhata Formation, Boso Peninsula, Central Japan. Natural History Research 5:33-61 [M. Uhen/B. Shipps/M. Uhen] |