Goshoura Island (Loc.1512): Albian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Anisoceratidae
Anisoceras sp. Pictet 1854
Cephalopoda - Ammonitida - Desmoceratidae
see common names

Geography
Country:Japan
Coordinates: 32.3° North, 130.4° East (view map)
Paleocoordinates:36.0° North, 141.7° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Albian 10 m.y. bin: Cretaceous 4
Key time interval: Albian
Age range of interval: 113.2 - 100.5 m.y. ago
Stratigraphy
Geological group:Goshoura Formation:Eboshi Member:Arakuchizaki
Local section:Quarry (Eboshi) Local bed:150 m
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:grading lithified sandstone
Secondary lithology:gray,green lithified mudstone
Lithology description: The lower part is composed of alternated beds of gravelly sandstone and red or light-greenish-gray mudstone. The thickness ranges from 0 to 85 m. The sandstone is crossstratified with reactivation surfaces and convex-downshaped erosional surfaces suggesting channels
Environment:transition zone/lower shoreface
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:122346
Authorizer:M. Aberhan Enterer:D. Wellmanns
Modifier:G. Palazzo Research group:marine invertebrate
Created:2011-12-22 00:55:59 Last modified:2026-09-22 16:30:33
Access level:authorizer only Released:2016-12-22 00:55:59
Creative Commons license:CC0
Reference information

Primary reference:
38682. T. Komatsu and H. Maeda. 2005. Stratigraphy and fossil bivalve assemblages of the mid-Cretaceous Goshoura Group, southwest Japan. Paleontological Research 9(2):119-142 [M. Aberhan/D. Wellmanns]