Yamamba Limestone, Sakawa Ciy: Roadian, Japan
collected by Nonaka 1946

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Productida
(1 measurement)
Strophomenata - Productida - Aulostegidae
(1 measurement)
Strophomenata - Orthotetida - Meekellidae
Rhynchonellata - Spiriferinida - Paraspiriferinidae
(1 measurement)
Rhynchonellata - Spiriferinida - Spiriferellinidae
(1 measurement)
Rhynchonellata - Spiriferida - Elythidae
(1 measurement)
(1 measurement)
Rhynchonellata - Spiriferida - Martiniidae
Martinia sp. M'Coy 1844
(1 measurement)
(1 measurement)
Rhynchonellata - Orthida - Schizophoriidae
Orthotichia sp. Hall and Clarke 1892
(1 measurement)
(1 measurement)
(1 measurement)
Rhynchonellata - Orthida - Enteletidae
(1 measurement)
Rhynchonellata - Rhynchonellida - Psilocamaridae
(1 measurement)
Anthozoa - Stauriida - Waagenophyllidae
Minato 1949
see common names

Geography
Country:Japan
Coordinates: 33.5° North, 133.3° East (view map)
Paleocoordinates:8.2° North, 130.1° East (Wright 2013)
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period: Permian Epoch: Guadalupian
Stage: Roadian 10 m.y. bin: Permian 3
Key time interval: Roadian
Age range of interval: 274.4 - 266.9 m.y. ago
Stratigraphy
Formation:Yamamba Limestone
Stratigraphic resolution:group of beds
Stratigraphy comments: Correlated with Neoschwagerina douvillei-N. margaritae subzone
Lithology and environment
Primary lithology: lithified "limestone"
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collectors:Nonaka Collection dates:1946
Metadata
Database number:52093
Authorizer:T. Olszewski, M. Clapham Enterer:L. Fall, M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2005-07-21 13:54:42 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-07-21 13:54:42
Creative Commons license:CC0
Reference information

Primary reference:

13974. J. Yanagida. 1973. Late Permian brachiopods from the Yamamba Limestone in the Sakawa Basin, Shikoku, Japan. Science Report of Tohoku University, 2nd series (Geology), Special Volume 6:353-369 [T. Olszewski/L. Fall/L. Fall]

Secondary references:

33610 M. Minato. 1949. Eine tetrakoralle aus Yamanba Kalkschicht, Sakawa Gegend, Sikoku, Japan. Proceedings of the Japan Academy 25:58-60 [M. Clapham/M. Clapham]