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Nakadaira, Japan

Formation	Nakadaira
Age:	290 - 279 Ma Permian
Interval	Artinskian
Lithology	limestone, "shale", sandstone
Number of Collections	5
Number of Occurrences	34

Recorded Sample Locations

Location	Region	Stratigraphic Name
Minami-zawa Valley	Ichinoseki City, Iwate Prefecture, Japan	Nakadaira
Nakadaira	Rikuzentakata City, Iwate Prefecture, Japan	Nakadaira
Natsugayoi	Rikuzentakata City, Iwate Prefecture, Japan	Nakadaira
KY1	Kesennuma City, Miyagi Prefecture, Japan	Nakadaira
KY3	Kesennuma City, Miyagi Prefecture, Japan	Nakadaira

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Sakamotozawa	290 - 279 Ma Permian	limestone, sandstone	16

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Cleiothyridina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Cleiothyridina*	295.5 - 290.1 Ma Permian
Hustedia indica species	7	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Neoretziidae : Hustedia : *Hustedia indica*	295.5 - 290.1 Ma Permian
Nipponirhynchia kamiyassensis species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Wellerellidae : Nipponirhynchia : *Nipponirhynchia kamiyassensis*	295.5 - 290.1 Ma Permian
Uncinunellina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Wellerellidae : *Uncinunellina*	295.5 - 290.1 Ma Permian
Uncinunellina wangenheimi species	7	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Wellerellidae : Uncinunellina : *Uncinunellina wangenheimi*	295.5 - 290.1 Ma Permian
Martiniopsis sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Ingelarellidae : *Martiniopsis*	295.5 - 290.1 Ma Permian
Crenispirifer nakamurai species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Spiriferellinidae : Crenispirifer : *Crenispirifer nakamurai*	295.5 - 290.1 Ma Permian
Spiriferellina sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Spiriferellinidae : *Spiriferellina*	295.5 - 290.1 Ma Permian
Spiriferellina nanbuensis species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Spiriferellinidae : Spiriferellina : *Spiriferellina nanbuensis*	295.5 - 290.1 Ma Permian
Derbyia dorsosulcata species	7	Animalia : Brachiopoda : Strophomenata : Orthotetida : Derbyiidae : Derbyia : *Derbyia dorsosulcata*	295.5 - 290.1 Ma Permian
Derbyia yukisawensis species	7	Animalia : Brachiopoda : Strophomenata : Orthotetida : Derbyiidae : Derbyia : *Derbyia yukisawensis*	295.5 - 290.1 Ma Permian
Meekella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Meekellidae : *Meekella*	295.5 - 290.1 Ma Permian
Meekella uralica species	7	Animalia : Brachiopoda : Strophomenata : Orthotetida : Meekellidae : Meekella : *Meekella uralica*	295.5 - 290.1 Ma Permian
Orthothetina curvata species	7	Animalia : Brachiopoda : Strophomenata : Orthotetida : Meekellidae : Orthothetina : *Orthothetina curvata*	295.5 - 290.1 Ma Permian
Acritosia sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Cyclacanthariidae : *Acritosia*	295.5 - 290.1 Ma Permian
Echinoconchus sp. genus	6	Animalia : Brachiopoda : Strophomenata : Productida : Echinoconchidae : *Echinoconchus*	295.5 - 290.1 Ma Permian
Mandulapora sp. genus	6	Animalia : Cnidaria : Anthozoa : Periphaceloporidae : *Mandulapora*	290.1 - 279.3 Ma Permian
Protomichelinia multitabulata species	7	Animalia : Cnidaria : Anthozoa : Micheliniidae : Protomichelinia : *Protomichelinia multitabulata*	290.1 - 279.3 Ma Permian
Agathiceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Ammonoidea : Agathiceratidae : *Agathiceras*	295.5 - 290.1 Ma Permian
Parastenopoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Grypoceratidae : *Parastenopoceras*	295.5 - 290.1 Ma Permian
Stearoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Grypoceratidae : *Stearoceras*	295.5 - 290.1 Ma Permian
Foordiceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Koninckioceratidae : *Foordiceras*	295.5 - 290.1 Ma Permian
Pleuronautilus sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Tainoceratidae : *Pleuronautilus*	295.5 - 290.1 Ma Permian
Pleuronautilus yahagiensis species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Tainoceratidae : Pleuronautilus : *Pleuronautilus yahagiensis*	295.5 - 290.1 Ma Permian
Tainoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Nautilida : Tainoceratidae : *Tainoceras*	295.5 - 290.1 Ma Permian
Aphelaeceras falciferum species	7	Animalia : Mollusca : Cephalopoda : Nautilida : Trigonoceratidae : Aphelaeceras : *Aphelaeceras falciferum*	295.5 - 290.1 Ma Permian
Artinskia sp. genus	6	Animalia : Mollusca : Cephalopoda : Prolecanitida : Medlicottiidae : *Artinskia*	290.1 - 279.3 Ma Permian

References

Ehiro M. (1995) Cephalopod fauna of the Nakadaira Formation (Lower Permian) in the southern Kitakami Massif, northeast Japan, Transactions and Proceedings of the Paleontological Society of Japan, N.S. 179, 184-192

Niko S. (2002) Mandulapora jimboi, a New Species of Early Permian Coral (Tabulata: Auloporida) from the Nakadaira Formation, Miyagi Prefecture, Bulletin of the National Science Museum, Series C 28, 31-35

Tazawa J. I., Shintani T. (2014) Early Permian (Sakmarian) brachiopods from Kamiyasse, South Kitakami Belt, northeast Japan, Science Reports, Niigata University (Geology) 29, 13-41

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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