Aw15, Haraikawa (loc. 210A): Early Maastrichtian, Japan
collected by Y. Maeda

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Ammonitida - Tetragonitidae
Saghalinites sp. Wright and Matsumoto 1954
(1 measurement)
Cephalopoda - Phylloceratida - Phylloceratidae
(7 measurements)
see common names

Geography
Country:Japan State/province:Hyogo County:Nadaharaikawa 灘払川, Awaji Island
Coordinates: 34.2° North, 134.8° East (view map)
Paleocoordinates:40.1° North, 125.7° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Maastrichtian 10 m.y. bin: Cretaceous 8
Key time interval: Early Maastrichtian Ammonoid zone:  Pachydiscus subcompressus
Age range of interval: 72.2 - 66 m.y. ago
Stratigraphy
Formation:Shimonada
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:fine lithified sandy,calcareous siltstone
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Y. Maeda
Collection method comments: Repository: Department of Geology, Kyushu University
Metadata
Database number:176813
Authorizer:M. Clapham, P. Scofield Enterer:M. Clapham, P. Scofield
Modifier:P. Scofield Research group:marine invertebrate
Created:2016-03-03 01:27:22 Last modified:2025-02-22 15:12:02
Access level:the public Released:2016-03-03 01:27:22
Creative Commons license:CC0
Reference information

Primary reference:
58337. Y. Morozumi. 1985. Late Cretaceous (Campanian and Maastrichtian) ammonites from Awaji Island, southwest Japan. Bulletin of the Osaka Museum of Natural History 39:1-58 [M. Clapham/M. Clapham]