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Yongningzhen, China
| Formation | Yongningzhen |
|---|---|
| Age: | 251 - 247 Ma Early/Lower Triassic |
| Interval | Spathian |
| Lithology | limestone |
| Number of Collections | 8 |
| Number of Occurrences | 8 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Chengfujin | Qinglong County, Qianxinan, Guizhou, China | Yongningzhen |
| Dazhujing | Qiubei County, Wenshan, Yunnan, China | Yongningzhen |
| Yunnanzhai | Pan County, Liupanshui, Guizhou, China | Yongningzhen |
| Guiling County | Anshun, Guizhou, China | Yongningzhen |
| Langdai County | Liuzhi District, Liupanshui, Guizhou, China | Yongningzhen |
| Leshan County | Shizhong District, Leshan, Sichuan, China | Yongningzhen |
| Zhongying Section Bed 21 | Qinglong County, Qianxinan, Guizhou, China | Yongningzhen |
| Langdai Section H26-4 | Liuzhi District, Liupanshui, Guizhou, China | Yongningzhen |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Changxing | 254 - 252 Ma Permian | reef rocks, "limestone", framestone/bafflestone, bafflestone/wackestone, framestone, "limestone"/chert, framestone/"reef rocks", mudstone/"limestone", "limestone"/"shale", "shale", mudstone, lime mudstone, lime mudstone/mudstone, "limestone"/mudstone, packstone, wackestone, siltstone, marl, dolomite, sandstone, marl/mudstone, "shale"/"limestone", siltstone/"limestone", siltstone/marl, siltstone/mudstone, chert, mudstone/chert, "limestone"/siltstone, chert/mudstone, "siliciclastic", claystone, claystone/sandstone | 4780 |
| Dalong | 252 - 251 Ma Phanerozoic | mudstone, "shale", sandstone, mudstone/marl, "limestone", chert, chert/mudstone, mudstone/chert, claystone, mudstone/claystone, "shale"/lime mudstone, "siliciclastic", lime mudstone, lime mudstone/"shale", "limestone"/sandstone, framestone, chalk | 1953 |
| Feixianguan | 252 - 251 Ma Phanerozoic | claystone/"mixed carbonate-siliciclastic", claystone/lime mudstone, claystone, claystone/"shale", claystone/marl, marl/lime mudstone, lime mudstone/dolomite, mudstone, "limestone", marl, "limestone"/mudstone, marl/"limestone", marl/mudstone, lime mudstone/mudstone, lime mudstone, "shale", siltstone, lime mudstone/marl, mudstone/lime mudstone, "siliciclastic", siltstone/sandstone, "limestone"/siltstone, "shale"/marl | 517 |
| Longtan | 254 - 252 Ma Permian | siliciclastic, lime mudstone, mudstone/siltstone, mudstone/sandstone, sandstone, mudstone, "limestone", siltstone/"limestone", siltstone, sandstone/"limestone", sandstone/siltstone, "shale", "limestone"/mudstone, "limestone"/siltstone, "mixed carbonate-siliciclastic", claystone, marl, "limestone"/"shale", "siliciclastic"/coal | 1424 |
| Tongjiezi | 251 - 247 Ma Early/Lower Triassic | limestone | 2 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Bakevellia pannonicaspecies | Animalia : Mollusca : Bivalvia : Ostreida : Bakevelliidae : Bakevellia : Bakevellia pannonica | 251.2 - 247.2 Ma Early/Lower Triassic |
| Pteria murchisoni species | Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Pteria : Pteria murchisoni | 251.3 - 247.2 Ma Early/Lower Triassic |
 Dinarites puanensisspecies | Animalia : Mollusca : Cephalopoda : Ammonoidea : Dinaritidae : Dinarites : Dinarites puanensis | 251.3 - 247.2 Ma Early/Lower Triassic |
| Tirolites cassianus species | Animalia : Mollusca : Cephalopoda : Ammonoidea : Tirolites : Tirolites cassianus | 251.3 - 247.2 Ma Early/Lower Triassic |
 Trochotoma orbitaspecies | Animalia : Mollusca : Gastropoda : Pleurotomariida : Trochotomidae : Trochotoma : Trochotoma orbita | 251.3 - 247.2 Ma Early/Lower Triassic |
References
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!
