Hikoshima (Oligocene of Japan)

Where: Yamaguchi, Japan (34.0° N, 130.9° E: paleocoordinates 39.2° N, 127.4° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ashiya Formation, Chattian (28.1 - 23.0 Ma)

• Orio Sandstone Bed

• formation-level stratigraphic resolution

Environment/lithology: coastal; sandstone

Size class: macrofossils

Collection methods: bulk, quarrying,

• No collection data available as manuscript is in Japanese. Material is reposited in the Dept of Earth and Planetary Sciences, Faculty of Science, Kyushu University, and in Shimonoseki City Archaeological Museum, Shimonoseki.

Primary reference: Y. Hasegawa. 1977. Early Neogene birds form Honshu and Kyushu, Japan. Proceedings of the first International Congress on Pacific Neogene Stratigraphy, Tokyo 340-341 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 126057: authorized by Mark Uhen, entered by Mark Uhen on 29.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• Taxonomic list is exhaustive for mollusca and includes other groups (Penguins, Sharks etc). Nomenclature is of a high quality. List is reprinted from Hirayama (1956)
Aves
 Suliformes - Plotopteridae
Plotopteridae indet.1 Howard 1969 bird
Pelecaniformes?
Bivalvia
 Hiatellida - Hiatellidae
"Glycimeris cisshuensis" = Glycymeris2
"Glycimeris cisshuensis" = Glycymeris2 clam