Sekinobana, Togi-machi, Hakui-gun: Middle Miocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Globigerinidae
Globothalamea - Rotaliida - Cibicididae
Cibicides sp. Monfort 1808
Globothalamea - Rotaliida - Discorbidae
Bivalvia - Lucinida - Lucinidae
Bivalvia - Pectinida - Pectinidae
Chlamys sp. Röding 1798
Bivalvia - Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758
Scaphopoda - Dentaliida - Dentaliidae
unclassified
Osteichthyes - Perissodactyla - Paleoparadoxiidae
Chondrichthyes - Hexanchiformes - Hexanchidae
Hexanchus gigas (Sismonda 1857)
Chondrichthyes - Squaliformes - Dalatiidae
Dalatias licha (Bonnaterre 1788)
Chondrichthyes - Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806
Chondrichthyes - Pristiophoriformes - Pristiophoridae
Pristiophorus sp. Bleeker 1859
Chondrichthyes - Myliobatiformes - Rhinopteridae
Rhinoptera sp. Cuvier 1829
Chondrichthyes - Lamniformes - Carchariidae
Odontaspis volax (le Hon 1871)
Chondrichthyes - Lamniformes - Lamnidae
Isurus desori (Sismonda 1849)
Isurus planus (Agassiz 1856)
Chondrichthyes - Lamniformes - Otodontidae
Two fragmental teeth specimens (KUE1677, 1642)
Chondrichthyes - Lamniformes - Alopiidae
Chondrichthyes - Carcharhiniformes - Carcharhinidae
Carcharhinus egertoni (Agassiz 1843)
Chondrichthyes - Carcharhiniformes - Hemigaleidae
Chondrichthyes - Carcharhiniformes - Galeocerdonidae
Echinoidea - Spatangoida - Schizasteridae
Linthia sp. Desor 1853
see common names

Geography
Country:Japan
Coordinates: 37.2° North, 136.7° East (view map)
Paleocoordinates:36.9° North, 134.3° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
10 m.y. bin: Cenozoic 5
Key time interval: Middle Miocene
Age range of interval: 15.98 - 11.63 m.y. ago
Stratigraphy
Formation:Sekinobana
Stratigraphic resolution:group of beds
Stratigraphy comments: CN4 to CN5a of Calcareous Nannoplankton Zone by Okada and Bukry (Kami et a!. , 1981) .
Lithology and environment
Primary lithology: conglomeratic sandstone
Lithology description: Pebbly conglomerate, coarse-grained sandstone, coquina and fine to medium- grained sandstone
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
Collection method comments: Repository: Department of Earth Sciences, Faculty of Science, Kanazawa University.
Metadata
Database number:161492
Authorizer:C. Jaramillo Enterer:C. Pimiento
Modifier:M. Clapham
Created:2014-09-06 20:46:32 Last modified:2026-03-23 11:52:57
Access level:the public Released:2014-09-06 20:46:32
Creative Commons license:CC0
Reference information

Primary reference:
52618. H. Karasawa. 1989. Late Cenozoic elasmobranchs from the Hokuriku district, central Japan. Science Reports of Kanazawa University 34(1):1-57 [C. Jaramillo/C. Pimiento/M. Clapham]