Tomiya Shrine: Gelasian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Echinoidea - Cidaroida - Cidaridae
Stereocidaris grandis (Doderlein 1885)
n. subsp. fusana
Echinoidea - Camarodonta - Strongylocentrotidae
Echinoidea - Spatangoida - Spatangidae
Nisiyama 1968
Echinoidea - Phymosomatidae
n. subsp. stenozona
see common names

Geography
Country:Japan State/province:Chiba County:Kimitsu
Coordinates: 35.2° North, 139.9° East (view map)
Paleocoordinates:35.0° North, 139.0° East (Wright 2013)
Basis of coordinate:stated in text
Time
Period: Quaternary Epoch: Pleistocene
Stage: Gelasian 10 m.y. bin: Cenozoic 6
Key time interval: Gelasian
Age range of interval: 2.58 - 1.8 m.y. ago
Stratigraphy
Formation:Kurotaki
Stratigraphy comments: Kurotaki formation (Tomiya tuffaceous sandstone), originally Lower Pliocene. Kurotaki Formation overlies the Kurotaki unconformity and is the basal unit of the Kazusa Group. Based on biostratigraphy, magnetostratigraphy, and tephrochronology, the lower part of the Kazusa Group on the Boso Peninsula is Gelasian in age (Tamura & Yamazaki, 2010).
Lithology and environment
Primary lithology: sandstone
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Metadata
Also known as:IGPS loco no.-Ch-12
Database number:204372
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Clapham Research group:marine invertebrate
Created:2019-09-06 12:22:07 Last modified:2025-02-22 15:12:02
Access level:the public Released:2019-09-06 12:22:07
Creative Commons license:CC0
Reference information

Primary reference:
61680. S. Nisiyama. 1966. The echinoid fauna from Japan and adjacent regions, Part I. Palaeontological Society of Japan Special Papers 11:1-277 [M. Uhen/B. Shipps/M. Uhen]

Secondary references:

61674 S. Nisiyama. 1968. The echinoid fauna from Japan and adjacent regions, Part II. Paalaeontological Society of Japan Special Papers 13:1-480 [M. Uhen/B. Shipps/M. Uhen]