Southern part of Miharanoro: Asselian, Japan
collected by T. Ozawa 1986, 1987

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Prolecanitida - Pronoritidae
(1 measurement)
Cephalopoda - Prolecanitida - Daraelitidae
(9 measurements)
Cephalopoda - Goniatitida - Marathonitidae
(6 measurements)
Cephalopoda - Goniatitida - Vidrioceratidae
(1 measurement)
Cephalopoda - Goniatitida - Adrianitidae
Adrianitidae indet. Schindewolf 1931
Cephalopoda - Goniatitida - Neoicoceratidae
? Eoasianites sp. Ruzhencev 1933
Cephalopoda - Goniatitida - Bisatoceratidae
Neoglaphyrites sp. Ruzhencev 1938
Cephalopoda - Goniatitida - Agathiceratidae
Cephalopoda - Goniatitida - Somoholitidae
Somoholites sp. Ruzhencev 1938
Cephalopoda - Goniatitida - Shumarditidae
(1 measurement)
see common names

Geography
Country:Japan
Coordinates: 34.9° North, 133.3° East (view map)
Paleocoordinates:13.9° North, 138.1° East (Wright 2013)
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period: Permian Epoch: Cisuralian
Stage: Asselian 10 m.y. bin: Permian 1
Key time interval: Asselian Foram zone:  Sphaeroschwagerina fusiformis
Age range of interval: 298.9 - 293.52 m.y. ago
Stratigraphy
Formation:Uyamanoro
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:massive,gray lithified "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collectors:T. Ozawa Collection dates:1986, 1987
Metadata
Database number:214599
Authorizer:M. Clapham Enterer:M. Clapham
Research group:marine invertebrate
Created:2020-10-10 22:34:17 Last modified:2025-02-22 15:12:02
Access level:the public Released:2020-10-10 22:34:17
Creative Commons license:CC0
Reference information

Primary reference:
74066. M. Ehiro and T. Ozawa. 2020. Early Asselian (earliest Permian) ammonoids from the Taishaku Limestone, Akiyoshi Belt, Southwest Japan: an Asselian ammonoid fauna of the Mid-Panthalassan Realm. Paleontological Research 24:298-315 [M. Clapham/M. Clapham]