Kugushima Island, Hinoshima Formation, loc. K2011 (Cretaceous of Japan)

Where: Japan (32.4° N, 130.4° E: paleocoordinates 41.5° N, 121.4° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Hinoshima Formation (Himenoura Group), Late/Upper Santonian (85.8 - 83.5 Ma)

• Inoceramus higoensis, from the lower portion of the formation suggests late Santonian

• bed-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

• Slope environment (siliciclastic)

Size class: macrofossils

Preservation: mold/impression

Primary reference: T. Kumagae, H. Maeda, and T. Komatsu. 2011. Paleoecology of Inoceramus amakusensis Nagao et Matsumoto, 1940 (Bivalvia) in a Late Cretaceous shallow clastic sea: The Himenoura Group, Kyushu, Japan. Cretaceous Research 32:738-749 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 115285: authorized by Martin Aberhan, entered by Sabine Nürnberg on 31.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Propeamussiidae
Parvamussium yubarensis
 Myalinida - Inoceramidae
Inoceramus higoensis
 Nuculanida - Nuculanidae
Ezonuculana mactraeformis
Ezonuculana mactraeformis Nagao 1932 pointed nut clam
Cephalopoda
 Ammonitida - Pachydiscidae
Eupachydiscus sp.
Eupachydiscus sp. Spath 1922 ammonite
 Ammonitida - Tetragonitidae
Gaudryceras sp.
Gaudryceras sp. de Grossouvre 1894 ammonite
 Ammonitida - Diplomoceratidae
Polyptychoceras sp.
Polyptychoceras sp. Yabe 1927 ammonite