Kawanishi Primary School, Gujo, Oe-cho, Kyoto Prefecture: Changhsingian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Productida
Nakazawa 1959
Strophomenata - Orthotetida - Meekellidae
Nakazawa 1959
Bivalvia - Pectinida - Aviculopectinidae
(7 measurements)
Bivalvia - Pectinida - Hunanopectinidae
(3 measurements)
(1 measurement)
Bivalvia - Pectinida - Entoliidae
Bivalvia - Myalinida - Myalinidae
Bivalvia - Mytilida - Mytilidae
(6 measurements)
(2 measurements)
Bivalvia - Ostreida - Pinnidae
Bivalvia - Ostreida - Bakevelliidae
Nakazawa 1959
Nakazawa 1959
(4 measurements)
Bivalvia - Ostreida - Ostreidae
Bivalvia - Pholadomyida - Megadesmidae
(11 measurements)
Bivalvia - Pholadomyida - Edmondiidae
(10 measurements)
Bivalvia - Sanguinolitidae
(2 measurements)
Bivalvia - Cardiida - Kalenteridae
(9 measurements)
Bivalvia - Unionida - Actinodontophoridae
Nakazawa 1959
Bivalvia - Trigoniida - Myophoriidae
Nakazawa 1959
(1 measurement)
Neoschizodus permicus n. sp. Nakazawa 1960
Nakazawa 1959
see common names

Geography
Country:Japan
Coordinates: 35.4° North, 135.1° East (view map)
Paleocoordinates:2.2° North, 129.9° East (Wright 2013)
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period: Permian Epoch: Lopingian
Stage: Changhsingian 10 m.y. bin: Permian 4
Key time interval: Changhsingian
Age range of interval: 254.14 - 251.902 m.y. ago
Stratigraphy
Formation:Gujo
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:black lithified "shale"
Environment:marine indet.
Taphonomy
Modes of preservation:mold/impression,replaced with pyrite
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:114491
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2011-08-15 15:02:13 Last modified:2025-02-22 15:12:02
Access level:the public Released:2011-08-15 15:02:13
Creative Commons license:CC0
Reference information

Primary reference:

27485. K. Nakazawa and N.D. Newell. 1968. Permian bivalves of Japan. Memoirs of the Faculty of Science, Kyoto University, Series of Geology and Mineralogy 35(1):1-108 [M. Clapham/M. Clapham]

Secondary references:

33625 K. Nakazawa. 1959. Permian and Eo-Triassic Bakevellias from the Maizuru Zone, southwest Japan. Memoirs of the College of Science, University of Kyoto, Series B 26:193-213 [M. Clapham/M. Clapham]