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MIAOKAO, Yunnan, China

Formation	MIAOKAO
Age:	427 - 419 Ma Paleozoic
Interval	Ludlow - Pridoli
Lithology	mudstone, "limestone", "limestone"/"shale"
Number of Collections	19
Number of Occurrences	159

Recorded Sample Locations

Location	Region	Stratigraphic Name
Atrypoidea Community	Qujing, Yunnan, China	Miaokao
Protathyris Community	Xundian Hui and Yi County, Kunming, Yunnan, China	Miaokao
Kuanti Formation	Zhanyi District, Qujing, Yunnan, China	Miaokao

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Kuanti	427 - 419 Ma Paleozoic	grainstone, mudstone, siltstone/"shale"	52
Yulungssu	427 - 423 Ma Silurian	mudstone/siltstone	11

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Ostracoda class	3	Animalia : Arthropoda : Ostracoda	427.4 - 423 Ma Silurian
Proetus sp. genus	6	Animalia : Arthropoda : Trilobita : Proetida : Proetidae : *Proetus*	427.4 - 423 Ma Silurian
Warburgella sp. genus	6	Animalia : Arthropoda : Trilobita : Proetida : Proetidae : *Warburgella*	427.4 - 423 Ma Silurian
Orbiculoidea sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Discinidae : *Orbiculoidea*	427.4 - 419.2 Ma Paleozoic
Lingula sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : *Lingula*	427.4 - 423 Ma Silurian
Protathyris sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Athyridida : Athyrididae : *Protathyris*	427.4 - 419.2 Ma Paleozoic
Retziella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Retziellidae : *Retziella*	427.4 - 419.2 Ma Paleozoic
Atrypoidea sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Lissatrypidae : *Atrypoidea*	427.4 - 423 Ma Silurian
Schizophoria (Eoschizophoria) sp. subgenus	6.3	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Eoschizophoria)*	427.4 - 423 Ma Silurian
Schizophoria (Eoschizophoria) hesta species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Schizophoriidae : Schizophoria : *Schizophoria (Eoschizophoria) hesta*	427.4 - 419.2 Ma Paleozoic
Tadschikia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Rhynchonellida : Hebetoechiidae : *Tadschikia*	427.4 - 423 Ma Silurian
Howellella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Delthyrididae : *Howellella*	427.4 - 423 Ma Silurian
Spirinella sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Spiriferida : Reticulariidae : *Spirinella*	427.4 - 419.2 Ma Paleozoic
Aesopomum sp. genus	6	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : *Aesopomum*	427.4 - 423 Ma Silurian
Aesopomum delicatum species	7	Animalia : Brachiopoda : Strophomenata : Orthotetida : Areostrophiidae : Aesopomum : *Aesopomum delicatum*	427.4 - 419.2 Ma Paleozoic
Helopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cryptostomida : Arthrostylidae : *Helopora*	427.4 - 423 Ma Silurian
Batostomella sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Batostomellidae : *Batostomella*	427.4 - 423 Ma Silurian
Spathognathodus sp. genus	6	Animalia : Chordata : Conodonta : *Spathognathodus*	427.4 - 423 Ma Silurian
Trichonodella sp. genus	6	Animalia : Chordata : Conodonta : *Trichonodella*	427.4 - 423 Ma Silurian
Ozarkodina sp. genus	6	Animalia : Chordata : Prioniodontidae : *Ozarkodina*	427.4 - 423 Ma Silurian
Squameofavosites sp. genus	6	Animalia : Cnidaria : Anthozoa : Favositidae : *Squameofavosites*	427.4 - 423 Ma Silurian
Kyphophyllum sp. genus	6	Animalia : Cnidaria : Anthozoa : Arachnophyllidae : *Kyphophyllum*	427.4 - 423 Ma Silurian
Praecardium sp. genus	6	Animalia : Mollusca : Bivalvia : Praecardiidae : *Praecardium*	427.4 - 423 Ma Silurian
Actinopteria sp. genus	6	Animalia : Mollusca : Bivalvia : Ostreida : Pterineidae : *Actinopteria*	427.4 - 423 Ma Silurian
Gastropoda class	3	Animalia : Mollusca : Gastropoda	427.4 - 423 Ma Silurian
Pycnomphalus obesus species	7	Animalia : Mollusca : Gastropoda : Trochida : Anomphalidae : Pycnomphalus : *Pycnomphalus obesus*	427.4 - 423 Ma Silurian
Oriostoma sp. genus	6	Animalia : Mollusca : Gastropoda : Oriostomatidae : *Oriostoma*	427.4 - 423 Ma Silurian
Ptychospirina sp. genus	6	Animalia : Mollusca : Gastropoda : Platyceratidae : *Ptychospirina*	427.4 - 423 Ma Silurian
Hormotoma sp. genus	6	Animalia : Mollusca : Gastropoda : Murchisoniina : Hormotomidae : *Hormotoma*	427.4 - 423 Ma Silurian
Umbospira nigricans species	7	Animalia : Mollusca : Gastropoda : Sinuopeidae : Umbospira : *Umbospira nigricans*	427.4 - 423 Ma Silurian

References

Mu E.-z., Boucot A. J., et al (1986) Correlation of the Silurian rocks of China, Geological Society of America Special Paper 202, 1-80

Wang Y., Boucot A. J., et al (1987) Community paleoecology as a geologic tool: the Chinese Ashgillian-Eifelian (latest Ordovician through early Middle Devonian) as an example, Geological Society of America Special Paper 211, 1-100

Xi Y.-h., Yu W. (1990) New materials of Silurian gastropods from SW. China, Acta Palaeontologica Sinica 29 5, 620-629

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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