Nagasakibana: Zanclean, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Lamniformes - Lamnidae
Isurus oxyrinchus Rafinesque 1810
Kuga 1985
Osteichthyes - Cetacea - Albireonidae
1 specimen
see common names

Geography
Country:Japan State/province:Chiba
Coordinates: 35.7° North, 140.8° East (view map)
Paleocoordinates:35.5° North, 140.0° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Neogene Epoch: Pliocene
Stage: Zanclean 10 m.y. bin: Cenozoic 6
Key time interval: Zanclean
Age range of interval: 5.333 - 3.6 m.y. ago
Stratigraphy
Formation:Na-arai
Stratigraphic resolution:bed
Stratigraphy comments: basal conglomerate
Lithology and environment
Primary lithology: conglomerate
Includes fossils?Y
Environment:marginal 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:181357
Authorizer:M. Uhen Enterer:M. Uhen
Research group:vertebrate
Created:2016-09-08 09:21:04 Last modified:2025-02-22 15:12:02
Access level:the public Released:2016-09-08 09:21:04
Creative Commons license:CC0
Reference information

Primary reference:
60320. M. Murakami and Y. Koda. 2013. The first Pliocene albireonid (Cetacea, Delphinoidea) periotic from the western North Pacific and paleobiogeographic signifcance of fossil delphinoid ear bones of Na-arai Formation of Choshi, Chiba, central Japan. Japan Cetology 23:13-20 [M. Uhen/M. Uhen]

Secondary references:

61545 N. Kuga. 1985. Revision of Neogene Mackerel Shark of Genus Isurus from Japan. Memoirs of the Faculty of Sciencem Kyoto University, Series of Geology & Mineralogy 51(1&2):1-20 [M. Uhen/B. Shipps/M. Uhen]