Maeda, Ofunato district, southern Kitakami Massif: Wuchiapingian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Productida
- Paucispiniferidae
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| Tazawa 2008 | ||||||||||
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Cephalopoda
- Ceratitida
- Dzhulfitidae
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| IGCP coll. cat. no. 103276 (1 measurement) | ||||||||||
| IGCP coll. cat. no. 103144 (Holotype) (1 measurement) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Japan | State/province: | Iwate |
| Coordinates: | 39.1° North, 141.7° East (view map) | ||
| Paleocoordinates: | 1.9° North, 134.6° East (Wright 2013) | ||
| Basis of coordinate: | stated in text | ||
| Geographic resolution: | local area |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Wuchiapingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wuchiapingian | ||
| Age range of interval: | 259.857 - 254.14 m.y. ago |
Stratigraphy
| Geological group: | Kanokuran | ||||
| Local section: | Maeda | ||||
| Regional section: | Kitakami Massif | ||||
| Stratigraphic resolution: | group | ||||
| Stratigraphy comments: LITHOSTRATIGRAPHY: From unamed unit within Kanokuran Series. Formerly assigned to Maiya Group (Upper Carboniferous-Middle Permian). AGE: No justification reported for "Latest Permian" age for specific collection other than general location within Upper Permian stratigraphy. While stated in text to be Latest Permian, enterer has assigned collection to the Wuchiapingian to avoid orphaning | |||||
Lithology and environment
| Primary lithology: | black,gray lithified sandy "shale" |
| Includes fossils? | Y |
| Lithology description: GENERAL LITHOLOGY: Black to dark gray shale with subordinate amounts of sandy shale, sandstone, and conglomerate. LITHIFICATION: Assumed based on photographic plate. | |
| Environment: | marine indet. |
| Geology comments: ENVIRONMENTAL DATA: No paleoenvironmental data reported. TECTONIC SETTING: No tectonic data reported. SEQUENCE STRATIGRPHY: No sequence stratigraphic data reported. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: COLLECTOR: T. Sugiyama and M. Ehiro. REPOSITORY: Reposited in the IGPS (Inst. of Geology and Paleontology, Grad. School of Science, Tohoku University). | |
| Taxonomic list comments:NOMENCLATURE: Authoritative publication with modern nomenclature. COMPLETENESS: Limited. Brachiopods, pelecypods, bryozoans and crinoid stems stated to be present though not listed. | |
Metadata
| Database number: | 61931 | ||
| Authorizer: | A. Hendy, M. Clapham | Enterer: | A. Hendy, M. Clapham | Research group: | marine invertebrate |
| Created: | 2006-07-07 17:56:56 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2006-07-07 17:56:55 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 17904. | M. Ehiro. 1996. Latest Permian ammonoid Paratirolites from the Ofunato district, Southern Kitakami Massif, Northeast Japan. Transactions and Proceedings of the Paleontological Society of Japan, New Series 184:592-596 [A. Miller/A. Hendy] |
Secondary references:
| 33726 | J. I. Tazawa. 2008. Permian brachiopods from the Mizukoshi Formation, central Kyushu, SW Japan: systematics, palaeogeography and tectonic implications. Paleontological Research 12:37-61 [M. Clapham/M. Clapham] |