Ohoka Kabauchi Locality ( of Japan)

Where: Nagano, Japan (36.4° N, 138.0° E: paleocoordinates 43.8° N, 133.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Ohoka Formation, Tertiary (66.0 - 2.6 Ma)

• The plant bearing rocks consist of alternation of conglomerate, sandstone and siltstone and correspond to the Takahagi Formation of Saito or the upper part of the Komiji Member of Kato or the lower part of the Nagaiwa Member of Kimura and Hayashi.

• bed-level stratigraphic resolution

Environment/lithology: coastal; lenticular siltstone and sandstone

• The Ohoka Formation is composed mainly of sandstone and siltstone with intercalations of conglomerate, tuff, tuff breccia and lignite. The plant bearing rocks consist of alternation of conglomerate, sandstone and siltstone, and correspond to the Takahagi Formation of Saito or the upper part of the Komiji Member of Kato or the lowre part of the Nagaiwa Member of Kimura and Hayashi.

Size class: macrofossils

Preservation: original carbon

Collection methods: surface (in situ),

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 22815: authorized by Hallie Sims, entered by Heather Lindon on 26.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Angiospermae
 Fagales - Juglandaceae
Pterocarya asymmetrosa wingnut
Kon'no ex Tanai
 Fagales - Betulaceae
Carpinus sp. Linnaeus 1753 hornbeam
Alnus cf. japonica alder
Steud.
 Rosales - Rosaceae
Rosa usyuensis rose
Huzioka?
 Rosales - Rhamnaceae
Berchemia sp. Necker and de Candolle 1825 buckthorn
 Rosales - Papilionaceae
? Sophora sp. Linnaeus 1753
 Rosales - Ulmaceae
Celtis sp. Linnaeus 1753 hackberry
 Fabales - Fabaceae
Cladrastis aniensis yellowwood
Huzioka
 Malpighiales - Salicaceae
Salix parasachalinensis willow
Tanai et Suzuki
Salix sp. Linnaeus 1753 willow
 Crossosomatales - Staphyleaceae
Staphylea sp. Linnaeus 1753 bladdernut
 Sapindales - Rutaceae
Fagara sp. Linnaeus 1759 citrus
 Sapindales - Sapindaceae
Acer sp. Linnaeus 1753 maple
 Malvales - Tiliaceae
Tilia sp. Linnaeus 1753 linden
 Malvales - Thymelaeaceae
? Daphne sp. Linnaeus 1753
 Rosids - Moraceae
Dicotyledoneae
 Ericales - Symplocaceae
Symplocos sp. Jacquin 1760 sweetleaf
Angiospermae
 Poales - Poaceae
Bambusites sp. Ettingshausen 1886 grass
 Saxifragales - Cercidiphyllaceae
Cercidiphyllum crenatum Brown 1935 katsura
(Unger) Brown
 Lamiales - Verbenaceae
Callicarpa sp. Linnaeus 1753 verbena
 Lamiales - Oleaceae
? Ligustrum sp. Linnaeus 1753 privet
? Syringa sp. Linnaeus 1753 lilac
 Boraginales - Boraginaceae
? Ehretia sp. Linnaeus borage
 Aquifoliales - Aquifoliaceae
Ilex sp. Linnaeus 1753 holly
 Coniferales - Cupressaceae
Taxodium dubium Sternberg 1824 cypress
(Sternb.) Heer