Itahana Flora Locality F: Tortonian - Messinian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
1 specimen
Coniferales - Cupressaceae
1 specimen
Pinopsida - Pinales - Pinaceae
3 specimens
1 specimen
3 specimens
Angiospermae - Rosales - Ulmaceae
6 specimens
1 specimen
Zelkova ungeri Kovats 1865
15 specimens
Angiospermae - Rosales
2 specimens
Angiospermae - Rosales - Papilionaceae
1 specimen
Angiospermae - Rosales - Rosaceae
1 specimen
Angiospermae - Malpighiales - Salicaceae
10 specimens
1 specimen
2 specimens
Angiospermae - Fabales - Fabaceae
1 specimen
5 specimens
Angiospermae - Fagales - Betulaceae
1 specimen
6 specimens
4 specimens
26 specimens
1 specimen
1 specimen
11 specimens
Angiospermae - Fagales - Juglandaceae
1 specimen
Angiospermae - Fagales - Fagaceae
Quercus miovariabilis Hu and Chaney 1938
1 specimen
6 specimens
Angiospermae - Sapindales - Sapindaceae
12 specimens
1 specimen
3 specimens
3 specimens
1 specimen
Angiospermae - Malvales - Tiliaceae
1 specimen
Angiospermae - Ericales - Clethraceae
2 specimens
Angiospermae - Laurales - Lauraceae
1 specimen
1 specimen
2 specimens
Angiospermae - Poales - Cyperaceae
22 specimens
Angiospermae - Poales - Poaceae
? Phragmites sp. Adanson 1763
12 specimens
Bambusites sp. Ettingshausen 1886
3 specimens
Angiospermae - Lamiales - Oleaceae
1 specimen
2 specimens
Angiospermae - Cornales - Cornaceae
3 specimens
Angiospermae - Alismatales - Potamogetonaceae
5 specimens
see common names

Geography
Country:Japan State/province:Gunma
Coordinates: 36.5° North, 139.0° East (view map)
Paleocoordinates:36.1° North, 137.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Neogene Epoch: Miocene
Stage: Tortonian - Messinian 10 m.y. bin: Cenozoic 6
*Period:Late/Upper Tertiary *Epoch:Miocene - Pliocene
*International age/stage:Late/Upper Tortonian - Late/Upper Messinian
Key time interval: Tortonian - Messinian
Age range of interval: 11.63 - 5.333 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Geological group:Tomioka Formation:Itahana
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: sandy siltstone
Lithology description: Plant bearing rocks are in middle part of the upper member of teh itahana Formation, and are stratigraphically situated about 200 m above the Tate tuff.
Environment:marine indet.
Taphonomy
Size of fossils:macrofossils
Temporal resolution:snapshot
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:21239
Authorizer:H. Sims Enterer:H. Lindon
Modifier:J. Cassara Research group:paleobotany
Created:2002-06-21 12:13:05 Last modified:2025-02-22 15:12:02
Access level:the public Released:2002-06-21 12:13:05
Creative Commons license:CC0
Reference information

Primary reference:
6513. K. Ozaki. 1991. Late Miocene and Pliocene Floras in Central Honshu, Japan. Bulletin of Kanagawa Prefectural Museam Natural Science Special Issue 1-244 [H. Sims/H. Lindon/H. Lindon]