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Baijizu - Second, Yunnan, China

Formation	Baijizu
Member	Second
Age:	216 - 212 Ma Late/Upper Triassic
Interval	Alaunian
Number of Collections	10
Number of Occurrences	20

Recorded Sample Locations

Location	Region	Stratigraphic Name
Jinding	Lanping County, Nujiang, Yunnan, China	Baijizu - Second
YHW135	Jianchuan County, Dali, Yunnan, China	Baijizu - Second
YHW141	Jianchuan County, Dali, Yunnan, China	Baijizu - Second
YHW77	Jianchuan County, Dali, Yunnan, China	Baijizu - Second

Associated Units

Stratigraphic Name	Age	Occurrence Records
Baijizu	216 - 212 Ma Late/Upper Triassic	14
Baijizu - Third	216 - 212 Ma Late/Upper Triassic	3
Huakaizuo	174 - 164 Ma Middle Jurassic	2
Sanhedong	237 - 228 Ma Late/Upper Triassic	2

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Carinokoninckina jindingensis species	7	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Koninckinidae : Carinokoninckina : *Carinokoninckina jindingensis*	215.56 - 212 Ma Late/Upper Triassic
Koninckina alata species	7	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Koninckinidae : Koninckina : *Koninckina alata*	215.56 - 212 Ma Late/Upper Triassic
Lamellokoninckina yunnanensis species	7	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Koninckinidae : Lamellokoninckina : *Lamellokoninckina yunnanensis*	215.56 - 212 Ma Late/Upper Triassic
Laballa suessi species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Laballidae : Laballa : *Laballa suessi*	215.56 - 212 Ma Late/Upper Triassic
Guseriplia lanpingensis species	7	Animalia : Brachiopoda : Rhynchonellata : Spiriferinida : Sinucostidae : Sinucosta : *Guseriplia lanpingensis*	215.56 - 212 Ma Late/Upper Triassic
Thecosmilia sp. genus	6	Animalia : Cnidaria : Anthozoa : Scleractinia : Montlivaltiidae : *Thecosmilia*	215.56 - 212 Ma Late/Upper Triassic
Procyclolites elegans species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Procyclolitidae : Procyclolites : *Procyclolites elegans*	215.56 - 212 Ma Late/Upper Triassic
Pinacophyllum yunnanense species	7	Animalia : Cnidaria : Anthozoa : Scleractinia : Stylophyllidae : Pinacophyllum : *Pinacophyllum yunnanense*	215.56 - 212 Ma Late/Upper Triassic
Jianchuania problematica species	7	Animalia : Mollusca : Bivalvia : Pectinida : Oxytomidae : Jianchuania : *Jianchuania problematica*	215.56 - 212 Ma Late/Upper Triassic
Anatomites orientalis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Haloritidae : Anatomites : *Anatomites orientalis*	232 - 221.5 Ma Late/Upper Triassic
Ammotibetites wheeleri species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tibetitidae : Ammotibetites : *Ammotibetites wheeleri*	215.56 - 212 Ma Late/Upper Triassic
Anatibetites magnus species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tibetitidae : Anatibetites : *Anatibetites magnus*	215.56 - 212 Ma Late/Upper Triassic
Lanpingoceras mirabile species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tibetitidae : Lanpingoceras : *Lanpingoceras mirabile*	215.56 - 212 Ma Late/Upper Triassic
Tibetites lanpingensis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tibetitidae : Tibetites : *Tibetites lanpingensis*	215.56 - 212 Ma Late/Upper Triassic
Tibetites ryalli species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Tibetitidae : Tibetites : *Tibetites ryalli*	215.56 - 212 Ma Late/Upper Triassic
Rhacophyllites debilis species	7	Animalia : Mollusca : Cephalopoda : Ammonoidea : Discophyllitidae : Rhacophyllites : *Rhacophyllites debilis*	215.56 - 212 Ma Late/Upper Triassic
Omphaloptycha concinna species	7	Animalia : Mollusca : Gastropoda : Coelostylinidae : Omphaloptycha : *Omphaloptycha concinna*	215.56 - 212 Ma Late/Upper Triassic
Cryptonerita conoidea species	7	Animalia : Mollusca : Gastropoda : Cycloneritida : Neritidae : Cryptonerita : *Cryptonerita conoidea*	215.56 - 212 Ma Late/Upper Triassic

References

Liang X. L. (1977) Late Triassic ammonites from Yunnan, Mesozoic Fossils from Yunnan 2, 71-82

Pan H. Z. (1977) Mesozoic and Cenozoic fossil Gastropoda from Yunnan, Mesozoic Fossils from Yunnan 2, 83-152

Jin Y. G., Fang B. X. (1977) Upper Triassic brachiopod fauna from the area in the east of Hengduan Mountain, western Yunnan, Mesozoic Fossils from Yunnan 2, 39-69

Wu W. S. (1977) Late Triassic scleractinian corals from northwestern Yunnan, Mesozoic Fossils from Yunnan 2, 29-37

Chen J. H., Chen C. Z. (1980) Jianchuania, a new genus of bivalve from the Upper Triassic in Yunnan, Acta Palaeontologica Sinica 19, 57-60

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!

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