Xiaohaizi Section, Upper Member, Bachu Fm, Tarim Basin, NW China: Tournaisian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Ozarkodinida
- Polygnathidae
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Siphonodella cf. sulcata
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Bispathodus aculeatus
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| Bispathodus aculeatus aculeatus | ||||||||||
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Polygnathus communis
Branson and Mehl 1934
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| recombined as Neopolygnathus communis | ||||||||||
| Polygnathus communis communis | ||||||||||
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Polygnathus cf. inornatus
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Conodonta
- Ozarkodinida
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Hindeodella germana
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| synonym of Ozarkodina | ||||||||||
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Conodonta
- Prioniodontida
- Prioniodinidae
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Neoprioniodus barbatus
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| synonym of Idioprioniodus | ||||||||||
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Conodonta
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Spathognathodus stabilis
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Strophomenata
- Productida
- Linoproductidae
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? Cancrinella sp.
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1 category | |||||||||
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Strophomenata
- Orthotetida
- Schuchertellidae
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Schuchertella guizhouensis
Yang 1964
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2 category | |||||||||
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Rhynchonellata
- Spiriferida
- Palaeochoristitidae
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Eochoristites neipentaiensis
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4 category | |||||||||
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Eochoristites leei
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2 category | |||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Ptychomaletoechia bachuensis n. sp.
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3 category | |||||||||
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Ptychomaletoechia kinlingensis
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3 category | |||||||||
| see common names | ||||||||||
Geography
| Country: | China | State/province: | Xinjiang |
| Coordinates: | 39.7° North, 78.8° East (view map) | ||
| Paleocoordinates: | 11.6° South, 49.4° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Carboniferous | Epoch: | Mississippian |
| Stage: | Tournaisian | 10 m.y. bin: | Carboniferous 1 |
| Key time interval: | Tournaisian | ||
| Age range of interval: | 358.90000 - 346.70000 m.y. ago |
Lithology and environment
| Primary lithology: | lithified argillaceous "limestone" |
| Secondary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: The secondary lithology is described in the strat section as a "calcarenite". "The Upper member of the Bachu Formation, consisting of bioclastic limestone, is characterized by the apparence of abundant brachiopods and conodonts." | |
| Environment: | carbonate indet. |
Taphonomy
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Museum repositories: | NIGPAS |
| Collection method comments: In addition to the Nanjing Institue of Geology & Palaeontology, speciens are housed at the Department of Invertebrate Palaeontology, Museum of Victoria (NMVP), Australia. | |
| Taxonomic list comments:Abundance values are only given for the brachiopods.
Abundance categories are: 1 = 1 to 5 specimens 2 = 5 to 9 specimens 3 = 10 to 20 specimens 4 = more than specimens **The overlap of categories 1 and 2 is recorded here as it was given in the text. | |
Metadata
| Database number: | 58134 | ||
| Authorizer: | N. Heim | Enterer: | N. Heim |
| Modifier: | N. Heim | Research group: | marine invertebrate |
| Created: | 2006-01-23 13:50:50 | Last modified: | 2006-01-24 09:50:20 |
| Access level: | the public | Released: | 2006-01-23 13:50:50 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 15691. | Z. Q. Chen and G. R. Shi. 1999. Latest Devonian (Famennian) to earliest Carboniferous (Tournaisian) brachiopods from the Bachu Formation of the Tarim Basin, Xinjiang Province, northwest China. Rivista Italiana di Paleontologia e Stratigrafia 105(2):231-250 [N. Heim/N. Heim] |