Omi Limestone: Asselian, Japan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
originally entered as "Crinoida indet."
Stenolaemata - Cryptostomata - Septoporidae
? Thamniscus problematicus n. sp.
Stenolaemata - Cystoporata - Fistuliporidae
Fistulipora sp. McCoy 1850
Stenolaemata - Cystoporida - Hexagonellidae
Coscinotrypa minor n. sp.
Stenolaemata - Cystoporida - Sulcoreteporidae
Sulcoretepora sp.
Stenolaemata - Trepostomida - Stenoporidae
Tabulipora cf. maculosa
unclassified
Brachiopoda indet. Cuvier 1805
see common names

Geography
Country:Japan
Coordinates: 37.0° North, 138.0° East (view map)
Paleocoordinates:16.7° North, 104.7° East
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period:Permian Epoch:Cisuralian
Stage:Asselian 10 m.y. bin:Permian 1
Key time interval:Asselian
Age range of interval:298.90000 - 293.52000 m.y. ago
Stratigraphy
Formation:Omi Limestone
Stratigraphic resolution:group of beds
Stratigraphy comments: Lower part of the Pseudoschwagerina zone
Lithology and environment
Primary lithology:tuffaceous "limestone"
Includes fossils?Y
Lithology description: Impure tuffaceous limestone
Environment:marine indet.
Taphonomy
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:64272
Authorizer:D. Bottjer Enterer:C. Powers
Research group:marine invertebrate
Created:2006-09-05 18:43:34 Last modified:2006-09-05 21:43:34
Access level:the public Released:2006-09-05 18:43:33
Creative Commons license:CC BY
Reference information

Primary reference:
18548. S. Sakagami. 1961. Japanese Permian Bryozoa. Palaeontological Society of Japan, Special Papers 7:1-58 [D. Bottjer/C. Powers]