Where: Japan (32.3° N, 130.3° E: paleocoordinates 40.0° N, 122.8° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Akasaki Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• middle part of the Akasaki Formation, situated about 40 m above the base of the formation; New dates suggest this part of formation is entirely within early Eocene- see Miyake, Y., Tsutsumi, Y., Miyata, K. and Komatsu, T., 2016. LA-ICP-MS Zircon U—Pb Dating of Acidic Tuff from the Eocene Akasaki Formation, Amakusa, Kumamoto Prefecture, Western Kyushu, Japan: Implications for the Age of the Land Mammal Fauna in Japan. Paleontological Research, 20(4), pp.302-311.

• bed-level stratigraphic resolution

Environment/lithology: fluvial; red siltstone

Size class: macrofossils

Primary reference: K. Miyata. 2007. New material of Asian Trogosus (Tillodontia, Mammalia) from the Akasaki Formation, Kumamoto Prefecture, Japan. Journal of Vertebrate Paleontology 27(1):176-188 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 179616: authorized by Philip Mannion, entered by Philip Mannion on 22.06.2016

Creative Commons license: CC BY (attribution)