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Yamamba Limestone, Sakawa, Takaoka District, Kochi Prefecture, Japan

Formation	Yamamba Limestone
Age:	272 - 269 Ma Permian
Interval	Roadian
Lithology	limestone
Number of Collections	1
Number of Occurrences	17

Recorded Sample Locations

Location	Region	Stratigraphic Name
Yamamba Limestone	Sakawa, Takaoka District, Kochi Prefecture, Japan	Yamamba Limestone

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Yamamba	272 - 269 Ma Permian	limestone	5

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Enteletes andrewsi species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Enteletidae : Enteletes : *Enteletes andrewsi*	272.3 - 268.8 Ma Permian
Acosarina minuta species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Acosarina : *Acosarina minuta*	272.3 - 268.8 Ma Permian
Orthotichia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : *Orthotichia*	272.3 - 268.8 Ma Permian
Orthotichia derbyi species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Orthotichia : *Orthotichia derbyi*	272.3 - 268.8 Ma Permian
Cyrolexis nonakai species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Psilocamaridae : Cyrolexis : *Cyrolexis nonakai*	272.3 - 268.8 Ma Permian
Phricodothyris sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Elythidae : *Phricodothyris*	272.3 - 268.8 Ma Permian
Phricodothyris asiatica species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Elythidae : Phricodothyris : *Phricodothyris asiatica*	272.3 - 268.8 Ma Permian
Phricodothyris subrostrata species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Elythidae : Phricodothyris : *Phricodothyris subrostrata*	272.3 - 268.8 Ma Permian
Martinia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Martiniidae : *Martinia*	272.3 - 268.8 Ma Permian
Martinia rhomboidalis species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Martiniidae : Martinia : *Martinia rhomboidalis*	272.3 - 268.8 Ma Permian
Callispirina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Paraspiriferinidae : *Callispirina*	272.3 - 268.8 Ma Permian
Spiriferellina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Spiriferellinidae : *Spiriferellina*	272.3 - 268.8 Ma Permian
Meekella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Meekellidae : *Meekella*	272.3 - 268.8 Ma Permian
Edriosteges poyangensis species	7	Animalia : Brachiopoda : Strophomenata : Productida : Aulostegidae : Edriosteges : *Edriosteges poyangensis*	272.3 - 268.8 Ma Permian
Spinomarginifera ciliata species	7	Animalia : Brachiopoda : Strophomenata : Productida : Productellidae : Spinomarginifera : *Spinomarginifera ciliata*	272.3 - 268.8 Ma Permian
Lonsdaleiastraea yamanbaensis species	7	Animalia : Cnidaria : Anthozoa : Petalaxidae : Lonsdaleiastraea : *Lonsdaleiastraea yamanbaensis*	272.3 - 268.8 Ma Permian

References

Minato M. (1949) Eine tetrakoralle aus Yamanba Kalkschicht, Sakawa Gegend, Sikoku, Japan, Proceedings of the Japan Academy 25, 58-60

Yanagida J. (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

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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