Hikoshima: Chattian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Osteichthyes - Suliformes - Plotopteridae
Hasegawa and Ota 1979 1 specimen
Osteichthyes - Cetacea
Hasegawa and Ota 1979
Uhen 2500
Chondrichthyes - Lamniformes - Odontaspididae
Hasegawa and Ota 1979
Chondrichthyes - Lamniformes - Otodontidae
Hasegawa and Ota 1979
Based on age, most likely another Carcharocles species
see common names

Geography
Country:Japan State/province:Yamaguchi
Coordinates: 34.0° North, 131.0° East (view map)
Paleocoordinates:35.1° North, 128.0° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Paleogene Epoch: Oligocene
Stage: Chattian 10 m.y. bin: Cenozoic 4
Key time interval: Chattian
Age range of interval: 27.3 - 23.04 m.y. ago
Stratigraphy
Formation:Orio
Stratigraphic resolution:formation
Stratigraphy comments: Orio Sandstone Bed
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
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
Also known as:Shimonoseki
Database number:127382
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2012-05-11 03:22:58 Last modified:2025-02-22 15:12:02
Access level:the public Released:2012-05-11 03:22:58
Creative Commons license:CC0
Reference information

Primary reference:
29340. S. L. Olson and Y. Hasegawa. 1996. A new genus and two new species of gigantic Plotopteridae from Japan (Aves: Pelecaniformes). Journal of Vertebrate Paleontology 16(4):742-751 [J. Alroy/J. Alroy]

Secondary references:

41464 Y. Hasegawa and M. Ota. 1979. Hikoshima specimens from Orio Sandstone Bed, Shimonoseki City, Yamaguchi Prefecture. Bulletin of the Kitakyushu Museum of Natural History 1:41-60 [M. Uhen/M. Uhen]