Kugushima Island, Hinoshima Fm, loc. K1006 (H4003) (Cretaceous of Japan)

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

• coordinate estimated from map

• outcrop-level geographic resolution

When: Hinoshima Formation (Himenoura Group), Early/Lower Santonian (85.8 - 83.5 Ma)

• Inoceramus amakusensis, from the lowermost part of the formation indicates early Santonian

• bed-level stratigraphic resolution

Environment/lithology: deltaic; lithified, bioturbated, sandy mudstone

• shallow-marine depositional environment: bay-head delta system, bottomsets (bay)

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 115284: authorized by Martin Aberhan, entered by Sabine Nürnberg on 31.08.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

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Bivalvia
 Myalinida - Inoceramidae
Inoceramus amakusensis
Inoceramus amakusensis Nagao and Matsumoto 1940 clam
 Pectinida - Pectinoidae
Spondylus sp.
Spondylus sp. Linnaeus 1758 scallop
 Nuculida - Nuculidae
Acila hokkaidoensis
Acila hokkaidoensis Nagao 1932 divaricate nutclam
Cephalopoda
 Ammonitida - Collignoniceratidae
Protexanites sp.
Protexanites sp. Matsumoto 1955 ammonite
 Ammonitida - Diplomoceratidae
Polyptychoceras sp.
Polyptychoceras sp. Yabe 1927 ammonite
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
solitary coral