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

unclassified
  -
Polypodiopsida
 Salviniales - Polypodiidae
Salvinia natans watermoss
Angiospermae
 Sapindales - Sapindaceae
Acer sp. Linnaeus 1753 maple
 Malpighiales - Euphorbiaceae
Sapium sp. Browne 1756 milktree
 Fagales - Fagaceae
Fagus sp. Linnaeus 1753 beech
Quercus sp. Linnaeus 1753 oak
 Fagales - Betulaceae
Alnus sp. Miller 1754 alder
Betula sp. Linnaeus 1753 birch
Corylus sp. Linnaeus 1753 hazel
Carpinus sp. Linnaeus 1753 hornbeam
 Fagales - Juglandaceae
Pterocarya sp. Kunth 1824 wingnut
Juglans sp. Linnaeus 1753 walnut
 Rosales - Rhamnaceae
Rhamnaceae indet. Jussieu 1789 buckthorn
 Rosales - Ulmaceae
Celtis sp. Linnaeus 1753 hackberry
Ulmus sp. Linnaeus 1753 elm
Dicotyledoneae
 Myrtales - Trapaceae
Trapa macropoda water caltrop
Trapa sp. Linnaeus 1753 water caltrop
Angiospermae
 Caryophyllales - Polygonaceae
Polygonum sp. Linnaeus 1753 knotweed
P. persicaria type
 Asterales - Asteraceae
Artemisia sp. Linnaeus 1753 daisy
 Proteales - Nelumbonaceae
Nelumbo sp. Adanson 1763 lotus
 Poales - Poaceae
"Gramineae sp." = Poaceae
"Gramineae sp." = Poaceae Barnhart 1895 true grass
 Poales - Cyperaceae
Cyperaceae indet. Jussieu 1789 sedge
 Coniferales - Cupressaceae
Cupressaceae indet. Gray 1822 cypress
Pinopsida
 Pinales - Pinaceae
Pinus sp. Linnaeus 1753 pine
Tsuga sp. Carrière 1855
Abies sp. Miller 1754 fir
Pseudotsuga sp. Carrière 1867
 Pinales - Sciadopityaceae
Sciadopitys sp. Siebold and Zuccarini 1842