Iwaki (Loc.11): Early/Lower Oligocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816
Chondrichthyes - Squatinidae
Squatina sp. Dumeril 1806
Chondrichthyes - Squalomorphii - Hexanchidae
Hexanchus sp. Rafinesque 1810
Chondrichthyes - Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1838
Chondrichthyes - Lamniformes - Lamnidae
Lamna sp. Cuvier 1816
Isurus desori Sismonda 1849
Isurus hastalis (Agassiz 1838)
recombined as Carcharodon hastalis
Chondrichthyes - Carcharhiniformes - Carcharhinidae
Negaprion sp. Whitley 1940
Chondrichthyes - Carcharhiniformes - Galeocerdidae
Galeocerdo sp. Müller and Henle 1837
see common names

Geography
Country:Japan State/province:Fukushima County:Iwaki
Coordinates: 37.0° North, 140.9° East (view map)
Paleocoordinates:44.4° North, 137.3° East
Basis of coordinate:based on political unit
Time
Period:Paleogene Epoch:Oligocene
Stage:Rupelian 10 m.y. bin:Cenozoic 4
Key time interval:Early/Lower Oligocene
Age range of interval:33.90000 - 27.82000 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:Authors cite Suzuki 1991
Metadata
Database number:161439
Authorizer:C. Jaramillo Enterer:C. Pimiento
Modifier:M. Uhen
Created:2014-09-05 11:41:14 Last modified:2018-11-24 13:01:51
Access level:the public Released:2014-09-05 11:41:14
Creative Commons license:CC BY
Reference information

Primary reference:
52598. Y. Yabumoto and T. Uyeno. 1994. Late Mesozoic and Cenozoic fish faunas of Japan. The Island Arc 3:255-269 [C. Jaramillo/C. Pimiento]