Obata-gawa: Early Pleistocene, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Nymphoides sp. microspore
Equisetopsida - Cupressales - Sciadopityaceae
Pinopsida - Pinales - Pinaceae
Tsuga sp. microspore Carrière 1855
Abies sp. microspore Miller 1754
Pseudotsuga sp. microspore Carrière 1867
Angiospermae - Myrtales - Trapaceae
Trapa macropoda seed/fruit
Angiospermae - Poales - Poaceae
Gramineae sp. microspore de Jussieu
Angiospermae - Poales - Cyperaceae
Angiospermae - Caryophyllales - Polygonaceae
P. persicaria type
Angiospermae - Asterales - Asteraceae
Angiospermae - Proteales - Nelumbonaceae
Nelumbo sp. microspore Adanson 1763
Angiospermae - Sapindales - Sapindaceae
Angiospermae - Rosales - Rhamnaceae
Rhamnaceae indet. microspore Jussieu 1789
Angiospermae - Rosales - Ulmaceae
Angiospermae - Malpighiales - Euphorbiaceae
Angiospermae - Fagales - Betulaceae
Angiospermae - Fagales - Juglandaceae
Pterocarya sp. microspore Kunth 1824
Angiospermae - Fagales - Fagaceae
Coniferales - Cupressaceae
Polypodiopsida - Salviniales - Salviniaceae
Salvinia natans microspore
see common names

Geography
Country:Japan State/province:Kyoto City
Coordinates: 35.1° North, 135.8° East (view map)
Paleocoordinates:35.0° North, 135.4° East (Wright 2013)
Basis of coordinate:estimated from map
Time
Period: Quaternary Epoch: Pleistocene
10 m.y. bin: Cenozoic 6
Key time interval: Early Pleistocene
Age range of interval: 2.58 - 0.774 m.y. ago
Stratigraphy
Geological group:Osaka
Stratigraphy comments: ca. 0.8 m.y. Upper part of the Osaka Group.
Lithology and environment
Primary lithology: claystone
Environment:terrestrial indet.
Geology comments: clay bed between Ma 3-marine clay bed and Ma 4-marine clay bed.
Taphonomy
Modes of preservation:adpression
Size of fossils:microfossils
Collection methods and comments
Collection methods:sieve,field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:168071
Authorizer:C. Jaramillo Enterer:C. Jaramillo
Created:2015-04-14 22:54:08 Last modified:2025-02-22 15:12:02
Access level:the public Released:2015-04-14 22:54:08
Creative Commons license:CC0
Reference information

Primary reference:
54799.fossil record T. Nasu and K. Seto. 1976. Fossil macrospores and massulae of Salvinia natans from the Pliocene and the Quaternary sediments in the Kinki and Tokai districts, Japan. Bulletin of the Osaka Museum of Natural History 30(1):37-48 [C. Jaramillo/C. Jaramillo/C. Jaramillo]