Yongde Section, Baoshan: Roadian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Strophomenata
- Productida
- Sentosiidae
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? Alatoproductus sp.
Jin and Zhu 1978
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Strophomenata
- Productida
- Productidae
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Pseudoantiquatonia mutabilis
Zhan and Wu 1982
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Strophomenata
- Productida
- Productellidae
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Ogbinia sp.
Sarycheva 1965
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Strophomenata
- Productida
- Linoproductidae
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Linoproductus lineatus
(Waagen 1884)
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Rhynchonellata
- Spiriferida
- Elythidae
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Phricodothyris asiatica
(Chao 1929)
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Squamularia extensiformis
Chang 1977
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| recombined as Permophricodothyris extensiformis | |||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Cryptospirifer omeishanensis
Huang 1933
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| see common names | |||||||
Geography
| Country: | China | State/province: | Yunnan |
| Coordinates: | 25.1° North, 99.4° East (view map) | ||
| Paleocoordinates: | 30.3° South, 86.1° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Guadalupian |
| Stage: | Roadian | 10 m.y. bin: | Permian 3 |
| Key time interval: | Roadian | ||
| Age range of interval: | 273.01000 - 266.90000 m.y. ago |
Stratigraphy
| Formation: | Shazipo | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Polydiexodina Zone (=Neoschwagerina craticulifera Zone) of Early Maokouan in China, based on fusulinids = Wordian (now considered Roadian). Samples derived from basal 20 m of Shazipo Formation, just overlying the Bingma Formation. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal,gray lithified wackestone |
| Secondary lithology: | shelly/skeletal,gray lithified packstone |
| Lithology description: Lower member is dominated by grey to dark grey argillaceous and bioclastic limestones, locally interbedded with dolomitic limestones. Stratigraphic section indicates fossils derived from wackestone to packstone lithology, not argillaceous limestone. | |
| Environment: | marine indet. |
| Geology comments: Shazipo Formation outcrops on the Baoshan tectonic block. | |
Taphonomy
| Modes of preservation: | body,cast,mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | surface (float),surface (in situ),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 41548 | ||
| Authorizer: | D. Bottjer | Enterer: | M. Clapham |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2004-07-16 11:40:16 | Last modified: | 2011-09-24 23:18:09 |
| Access level: | the public | Released: | 2004-07-16 11:40:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11134. | G. R. Shi and S. Shen. 2001. A biogeographically mixed, Middle Permian brachiopod fauna from the Baoshan Block, western Yunnan, China. Palaeontology 44(2):237-258 [D. Bottjer/M. Clapham/M. Clapham] |