Koinoura, Tsuyazaki (Oligocene of Japan)

Where: Fukuoka, Japan (33.8° N, 130.4° E: paleocoordinates 40.2° N, 126.3° E)

• coordinate based on nearby landmark

When: Tsuyazaki Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; tuff

Size class: macrofossils

Collection methods: Repositories: Laboratory of Phylogenetic Botany, Faculty of Sciences, Chiba University, Japan; College of Liberal Arts, Kanazawa University, Japan

Primary reference: M. Suzuki. 1976. Some fossil woods from the Palaeogene of Northern Kyushu. The Botanical Magazine 89:59-71 [B. Allen/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 224520: authorized by Bethany Allen, entered by Bethany Allen on 11.03.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Angiospermae
 Saxifragales - Hamamelidaceae
Hamamelis prejaponicum n. sp.1 Srivastava and Suzuki 2001 witch-hazel
Tohoku, No. 71517 (holotype)
 Cornales - Nyssaceae
 Cornales - Cornaceae
Cornus tsuyazakiensis n. sp.2 Suzuki 1982 dogwood
Kanazawa, No. 71338 (holotype)
 Lamiales - Oleaceae
Fraxinus oligocenica n. sp.2 Suzuki 1982 ash
Kanazawa, Nos. 71258 (holotype), 71266, 71335
 Proteales - Platanaceae
Platanus tsuyazakiensis n. sp. Suzuki 1976 plane tree
Chiba, No. 71256 (holotype)
 Magnoliales - Magnoliaceae
Michelia oleifera n. sp. Suzuki 1976 magnolia
Chiba, Nos. 71175 (holotype), 71158, 71196
Magnoliaceoxylon palaeogenica n. sp.1 Srivastava and Suzuki 2001 magnolia
Tohoku, No. 71339 (holotype)
 Malvales - Malvaceae
 Malvales - Sterculiaceae
Reevesia oligocenica n. sp. Suzuki 1976
Chiba, Nos. 71189 (holotype), 71208
 Sapindales - Anacardiaceae
Rhus palaeojavanica n. sp.1 Srivastava and Suzuki 2001 sumac
Tohoku, No. 71152 (holotype), 71195
 Sapindales - Sapindaceae
Acer palmatoxylum n. sp.2 Suzuki 1982 maple
Kanazawa, No. 71323 (holotype)
 Fagales - Betulaceae
Alnus scalariforme n. sp.1 Srivastava and Suzuki 2001 alder
Tohoku, No. 71104 (holotype)
 Fagales - Fagaceae
Castanea protoantiqua n. sp. Suzuki 1976 chestnut
Chiba, Nos. 71188 (holotype), 71210, 71212
 Rosales - Rosaceae
Prunus ascendentiporulosa n. sp.3 Suzuki 1984 plum
Kanazawa, Nos. 71165 (holotype), 71299
Prunus polyporulosa n. sp.3 Suzuki 1984 plum
Kanazawa, Nos. 71166 (holotype), 71179
Prunus uviporulosa n. sp.3 Suzuki 1984 plum
Kanazawa, Nos. 71156 (holotype), 71263, 71291, 71331, 71375
Prunus palaeozippeliana n. sp.3 Suzuki 1984 plum
Kanazawa, Nos. 71184 (holotype), 71161, 71200, 71336, 71371
 Rosales - Rhamnaceae
Hovenia palaeodulcis n. sp.2 Suzuki 1982 buckthorn
Kanazawa, Nos. 71257 (holotype), 71309, 71359
Dicotyledoneae
 Myrtales - Sonneratiaceae
Sonneratia kyushuensis n. sp.1 Srivastava and Suzuki 2001
Tohoku, No. 71259 (holotype)
 Coniferales - Cupressaceae