PBDB Collection

Gobara, Haraichi Formation: Tortonian, Japan

List of taxa

Where & when

Geology

Taphonomy & methods

Metadata & references

Taxonomic list

Osteichthyes - Cetacea

	Cetacea indet. Brisson 1762	8 specimens

	Mysticeti indet. Cope 1891	3 specimens

	"Cetotheriidae" indet. (Brandt 1872)	1 specimen
Osteichthyes - Cetacea - Balaenopteridae

	Balaenoptera sp. Lacépède 1804	1 specimen
Osteichthyes - Cetacea

	Odontoceti indet. Flower 1867	5 specimens
Osteichthyes - Cetacea - Physeteridae

	Physeteridae indet. Gray 1821	1 specimen
Osteichthyes - Cetacea - Kentriodontidae

	Kentriodontidae indet. Slijper 1936	8 specimens
see common names

Geography

Country:	Japan	State/province:	Gunma
Coordinates:	36.2° North, 138.7° East (view map)
Paleocoordinates:	35.9° North, 136.3° East (Wright 2013)
Basis of coordinate:	estimated from map

Time

Period:	Neogene	Epoch:	Miocene
Stage:	Tortonian	10 m.y. bin:	Cenozoic 6
Key time interval:	Tortonian
Age range of interval:	11.63 - 7.246 m.y. ago

Stratigraphy

Formation:

Haraichi

Lithology and environment

Primary lithology:	not reported
Environment:	marine indet.

Taphonomy

Modes of preservation:	body
Size of fossils:	macrofossils

Collection methods and comments

Reason for describing collection:

general faunal/floral analysis

Metadata

Database number:	75733
Authorizer:	M. Uhen	Enterer:	M. Uhen
Modifier:	M. Uhen	Research group:	vertebrate
Created:	2007-10-25 12:55:42	Last modified:	2025-04-25 15:21:11
Access level:	the public	Released:	2007-10-25 12:55:42
Creative Commons license:	CC0

Reference information

Primary reference:

25594.

T. Kimura, Y. Takakuwa, and Y. Hasegawa. 2003. Cetacean fossils in the Nakajima collection. Bulletin of the Gunma Museum of Natural History 7:19-23 [M. Uhen/M. Uhen/M. Uhen]