Obata-gawa (Pleistocene of Japan)

Where: Kyoto City, Japan (35.1° N, 135.8° E: paleocoordinates 35.4° N, 135.4° E)

• coordinate estimated from map

When: Osaka Group, Early/Lower Pleistocene (2.6 - 0.8 Ma)

• ca. 0.8 m.y. Upper part of the Osaka Group.

Environment/lithology: terrestrial; claystone

• clay bed between Ma 3-marine clay bed and Ma 4-marine clay bed.

Size class: microfossils

Preservation: adpression

Collection methods: sieve,

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 168071: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 14.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pinales - Cupressaceae
Cupressaceae indet. Martynov 1820
 Pinales - Pinaceae
Pinus sp. Linnaeus 1753 pine
Abies sp. Miller 1754 fir
 Cyperales - Commelinidae
Gramineae sp. de Jussieu true grass
Cyperaceae indet. Jussieu 1789 sedge
 Salviniales - Salviniaceae
 Rhamnales - Rosidae
Rhamnaceae indet. Jussieu 1789
 Urticales - Dilleniidae
Celtis sp. Linnaeus 1753 hackberry
Ulmus sp. Linnaeus 1753 elm
 Polygonales - Caryophyllidae
Polygonum sp. Linnaeus
P. persicaria type
 Juglandales - Hamamelidae
Pterocarya sp. Kunth 1824 wingnut
Juglans sp. Linnaeus 1753 walnut
 Myrtales - Trapaceae
 Sapindales - Aceraceae
Acer sp. Linnaeus 1753 maple
 Proteales - Nelumbonaceae
Nelumbo sp. Adanson
 Fagales - Betulaceae
Betula sp. Linnaeus 1753 birch
Carpinus sp. Linnaeus 1753 hornbeam
Corylus sp. Linnaeus birch
Alnus sp. Miller 1768 alder
 Fagales - Fagaceae
Quercus sp. Linnaeus 1753
Fagus sp. Linnaeus beech