Himedo Park Shark Bed: Santonian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Chondrichthyes - Lamniformes - Ptychodontidae
1 specimen
Chondrichthyes - Lamniformes - Otodontidae
62 specimens
Chondrichthyes - Hexanchiformes - Hexanchidae
Notorynchus sp. Ayers 1855
1 specimen
see common names

Geography
Country:Japan
Coordinates: 32.4° North, 130.4° East (view map)
Paleocoordinates:38.3° North, 129.4° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Late Cretaceous
Stage: Santonian 10 m.y. bin: Cretaceous 6
Key time interval: Santonian
Age range of interval: 85.7 - 83.6 m.y. ago
Stratigraphy
Geological group:Hinenoura Formation:Hinoshima
Stratigraphy comments: lower part of the Hinoshima Formation
Lithology and environment
Primary lithology: sandstone
Lithology description: a medium–coarse sand bed (80 cm thick), stratigraphically above PBDB collection 219954 and below PBDB collection 219956
Environment:coastal indet.
Geology comments: shallow water (shoreface) depositional environment; " ...distributary channel and sand bar developed on a delta at the head of a bay. The coarse sand bed containing many
shark teeth is considered to have formed the sand body at the bay mouth."
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:219956
Authorizer:P. Holroyd Enterer:P. Holroyd
Modifier:P. Holroyd Research group:vertebrate
Created:2021-04-27 19:24:26 Last modified:2025-02-22 15:12:02
Access level:the public Released:2021-04-27 19:24:26
Creative Commons license:CC0
Reference information

Primary reference:
76690. N. Kitamura. 2019. Features and paleoecological significance of the shark fauna from the Upper Cretaceous Hinoshima Formation, Himenoura Group, southwest Japan. Paleontological Research 23(2):110-130 [P. Holroyd/P. Holroyd/M. Clapham]