Dajialian Section, Bed 31 (73YPVI F41-1-7), Xihuancang, Tianjun District: Anisian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Lucinida
- Lucinidae
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Schafhaeutlia astartiformis
(Münster 1841)
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| recombined as Fimbria astartiformis | ||||||||||
| (3 measurements) | ||||||||||
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Bivalvia
- Trigoniida
- Myophoriidae
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Leviconcha ovata
(Goldfuss 1838)
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| recombined as Neoschizodus ovatus | ||||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Pleuronectites laevigatus
Schlotheim 1820
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Bivalvia
- Pectinida
- Hunanopectinidae
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Leptochondria subparadoxica
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Leptochondria albertii
(Goldfuss 1838)
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| ssp. plana | ||||||||||
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Bivalvia
- Pectinida
- Aviculopectinidae
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Neomorphotis sp.
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| synonym of Eumorphotis | ||||||||||
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Lingulata
- Lingulida
- Discinidae
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Orbiculoidea yangkangensis
Xu and Liu 1983
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| (7 measurements) | ||||||||||
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Rhynchonellata
- Rhynchonellida
- Cyclothyrididae
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Costirhynchopsis sp.
Dagis 1977
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Costirhynchopsis pavoplicata
Xu and Liu 1983
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Rhynchonellata
- Spiriferinida
- Spiriferellinidae
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Pseudospiriferina variabilis
Yang and Xu 1966
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| (9 measurements) | ||||||||||
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= Pseudospiriferina tsinghaiensis
Yang and Yin 1962
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Guo and Chen 2022 | |||||||||
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Pseudospiriferina pauciplicata
(Yang and Yin 1962)
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| synonym of Pseudospiriferina tsinghaiensis | ||||||||||
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Rhynchonellata
- Spiriferinida
- Balatonospiridae
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Aequspiriferina sp.
Yang and Yin 1962
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Aequspiriferina multiplicata
Yang and Yin 1962
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| (11 measurements) | ||||||||||
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Rhynchonellata
- Spiriferinida
- Punctospiriferidae
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Yangkongia sp.
Xu and Liu 1983
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Yangkongia planofolda
Xu and Liu 1983
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| synonym of Yangkongia bifurcata | ||||||||||
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Rhynchonellata
- Terebratulida
- Zeilleriidae
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Sulcatinella ovata
Xu and Liu 1983
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| synonym of Sulcatinella opima | ||||||||||
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Rhynchonellata
- Terebratulida
- Dielasmatidae
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Sulcatinella sp.
Dagys 1974
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| see common names | ||||||||||
Geography
| Country: | China | State/province: | Qinghai |
| Coordinates: | 37.5° North, 99.4° East (view map) | ||
| Paleocoordinates: | 29.8° North, 81.2° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Triassic | Epoch: | Middle Triassic |
| Stage: | Anisian | 10 m.y. bin: | Triassic 2 |
| Key time interval: | Anisian | ||
| Age range of interval: | 247.20000 - 242.00000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | shelly/skeletal,gray lithified "limestone" |
| Environment: | open shallow subtidal |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 101046 | ||
| Authorizer: | M. Clapham | Enterer: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2010-12-15 12:23:04 | Last modified: | 2013-11-25 13:02:06 |
| Access level: | the public | Released: | 2010-12-15 12:23:04 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34522. | G. C. Liu and H. F. Yin. 1983. Middle Triassic, Jinzihe Formation. In Z. Y. Yang, H. F. Yin, G. R. Xu, S. B. Wu, Y. L. He, G. C. Liu, J. R. Yin (eds.), Triassic of the southern Qilian Mountains 11-21 [M. Clapham/M. Clapham] |
Secondary references:
| 83078 | Z. Guo and Z. Q. Chen. 2022. Taxonomic names, in The Anisian (Middle Triassic) brachiopods from the southern Qilian Mountains, north-western China. Papers in Palaeontology 8(e1468) [M. Clapham/M. Clapham] |