Tao, Uonashi, Ehime Prefecture: Smithian, Japan
collected by Yehara

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Ostreida - Pinnidae
"Pinna" sp. Linnaeus 1758
Bivalvia - Ostreida - Bakevelliidae
Bivalvia - Pectinida - Hunanopectinidae
Leptochondria minima (Kiparisova 1938)
Bivalvia - Pectinida - Aviculopectinidae
see common names

Geography
Country:Japan
Coordinates: 33.4° North, 132.8° East (view map)
Paleocoordinates:3.6° North, 130.0° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Triassic Epoch: Early Triassic
Stage: Olenekian 10 m.y. bin: Triassic 1
Key time interval: Smithian Ammonoid zone:  Anasibirites multiformis
Age range of interval: 250.8 - 248.6 m.y. ago
Stratigraphy
Formation:Tao
Stratigraphic resolution:bed
Stratigraphy comments: Correlated with Anasibirites zone
Lithology and environment
Primary lithology:shelly/skeletal,gray lithified packstone
Lithology description: Fossils are crowded forming a thin coquinoid layer ten and several centimeters thick in a gray limestone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Yehara
Metadata
Database number:115250
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:P. Wagner Research group:marine invertebrate
Created:2011-08-31 12:26:42 Last modified:2025-06-27 14:44:28
Access level:the public Released:2011-08-31 12:26:42
Creative Commons license:CC0
Reference information

Primary reference:
33626. K. Nakazawa. 1971. The Lower Triassic Kurotaki Fauna in Shikoku and its allied faunas in Japan. Memoirs of the Faculty of Science, Kyoto University, Series of Geology and Mineralogy 38:103-133 [M. Clapham/M. Clapham]