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Beiguoshan, China

Formation	Beiguoshan
Age:	450 - 444 Ma Paleozoic
Interval	Soudleyan - Marshbrookian
Lithology	limestone/"shale", "limestone"/chert, "limestone", packstone, framestone/wackestone, wackestone/chert, wackestone
Number of Collections	16
Number of Occurrences	155

Recorded Sample Locations

Location	Region	Stratigraphic Name
Upper section	Baoji, Shaanxi, China	Beiguoshan
BeiGuoShanFarm	Xiji Co., Guyuan, Ningxia, China	Beiguoshan
Jing River	Shaanxi, China	Beiguoshan
Shijiezigou section	Guyuan, Ningxia, China	Beiguoshan

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Duanjiaxia	458 - 452 Ma Late/Upper Ordovician	shale/"limestone"	13
Longmengdong	458 - 450 Ma Late/Upper Ordovician	shale/"limestone", "shale"	15
Pingliang	461 - 450 Ma Ordovician	limestone/"shale", sandstone/"shale"	19
Sandaogou	466 - 461 Ma Middle Ordovician	limestone	29

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Bronteus sp. genus	6	Bronteidae : *Bronteus*	457.5 - 452 Ma Late/Upper Ordovician
Ostracoda class	3	Animalia : Arthropoda : Ostracoda	453 - 445.2 Ma Late/Upper Ordovician
Trilobita class	3	Animalia : Arthropoda : Trilobita	453 - 445.2 Ma Late/Upper Ordovician
Remopleurides sp. genus	6	Animalia : Arthropoda : Trilobita : Asaphida : Remopleurididae : *Remopleurides*	457.5 - 452 Ma Late/Upper Ordovician
Goldillaenoides sp. genus	6	Animalia : Arthropoda : Trilobita : Corynexochida : Styginidae : *Goldillaenoides*	457.5 - 452 Ma Late/Upper Ordovician
Ceraurus sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : *Ceraurus*	449.5 - 443.7 Ma Paleozoic
Sphaerexochus sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Cheiruridae : *Sphaerexochus*	457.5 - 452 Ma Late/Upper Ordovician
Pliomera sp. genus	6	Animalia : Arthropoda : Trilobita : Phacopida : Pliomeridae : *Pliomera*	457.5 - 452 Ma Late/Upper Ordovician
Plectatrypa sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypidae : *Plectatrypa*	457.5 - 452 Ma Late/Upper Ordovician
Eospirigerina pennata species	7	Animalia : Brachiopoda : Rhynchonellata : Atrypida : Atrypinidae : Eospirigerina : *Eospirigerina pennata*	449.5 - 443.7 Ma Paleozoic
Glyptorthis sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Glyptorthidae : *Glyptorthis*	457.5 - 452 Ma Late/Upper Ordovician
Leptaena sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : *Leptaena*	457.5 - 452 Ma Late/Upper Ordovician
Sowerbyella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Sowerbyellidae : *Sowerbyella*	457.5 - 452 Ma Late/Upper Ordovician
Bryozoa phylum	2	Animalia : Bryozoa	453 - 445.2 Ma Late/Upper Ordovician
Lichenalia sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cystoporida : Rhinoporidae : *Lichenalia*	457.5 - 452 Ma Late/Upper Ordovician
Favositella sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cystoporata : Ceramoporidae : *Favositella*	457.5 - 452 Ma Late/Upper Ordovician
Stellipora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Constellariidae : *Stellipora*	457.5 - 452 Ma Late/Upper Ordovician
Rugosa subclass	3.3	Animalia : Cnidaria : Anthozoa : Rugosa	453 - 445.2 Ma Late/Upper Ordovician
Auloporida order	4	Animalia : Cnidaria : Anthozoa : Auloporida	453 - 445.2 Ma Late/Upper Ordovician
Eofletcheriella sp. genus	6	Animalia : Cnidaria : Anthozoa : Fletcheriellidae : *Eofletcheriella*	453 - 445.2 Ma Late/Upper Ordovician
Fletcheriidae family	5	Animalia : Cnidaria : Anthozoa : Fletcheriidae	453 - 445.2 Ma Late/Upper Ordovician
Favositida order	4	Animalia : Cnidaria : Anthozoa : Favositida	453 - 445.2 Ma Late/Upper Ordovician
Agetolitella sp. genus	6	Animalia : Cnidaria : Anthozoa : Agetolitidae : *Agetolitella*	460.9 - 443.7 Ma Paleozoic
Agetolites sp. genus	6	Animalia : Cnidaria : Anthozoa : Agetolitidae : *Agetolites*	457.5 - 452 Ma Late/Upper Ordovician
Mesofavosites sp. genus	6	Animalia : Cnidaria : Anthozoa : Favositidae : *Mesofavosites*	453 - 445.2 Ma Late/Upper Ordovician
Paleofavosites sp. genus	6	Animalia : Cnidaria : Anthozoa : Favositidae : *Paleofavosites*	453 - 445.2 Ma Late/Upper Ordovician
Catenipora sp. genus	6	Animalia : Cnidaria : Anthozoa : Halysitidae : *Catenipora*	457.5 - 452 Ma Late/Upper Ordovician
Heliolites sp. genus	6	Animalia : Cnidaria : Anthozoa : Heliolitidae : *Heliolites*	457.5 - 452 Ma Late/Upper Ordovician
Acdalopora sp. genus	6	Animalia : Cnidaria : Anthozoa : Plasmoporellidae : *Acdalopora*	460.9 - 443.7 Ma Paleozoic
Plasmoporella sp. genus	6	Animalia : Cnidaria : Anthozoa : Plasmoporellidae : *Plasmoporella*	457.5 - 452 Ma Late/Upper Ordovician
Acdalina sp. genus	6	Animalia : Cnidaria : Anthozoa : *Acdalina*	449.5 - 443.7 Ma Paleozoic
Diploepora sp. genus	6	Animalia : Cnidaria : Anthozoa : *Diploepora*	457.5 - 452 Ma Late/Upper Ordovician
Leleshusia kiaeri species	7	Animalia : Cnidaria : Anthozoa : Heliolitida : Proporidae : Leleshusia : *Leleshusia kiaeri*	449.5 - 443.7 Ma Paleozoic
Propora sp. genus	6	Animalia : Cnidaria : Anthozoa : Heliolitida : Proporidae : *Propora*	457.5 - 452 Ma Late/Upper Ordovician
Wormsipora sp. genus	6	Animalia : Cnidaria : Anthozoa : Taeniolitidae : *Wormsipora*	449.5 - 443.7 Ma Paleozoic
Reuschia sp. genus	6	Animalia : Cnidaria : Anthozoa : Syringophyllidae : *Reuschia*	449.5 - 443.7 Ma Paleozoic
Tetraporella sp. genus	6	Animalia : Cnidaria : Anthozoa : *Tetraporella*	449.5 - 443.7 Ma Paleozoic
Foerstephyllum sp. genus	6	Animalia : Cnidaria : Anthozoa : Favositidae : *Foerstephyllum*	449.5 - 443.7 Ma Paleozoic
Sarcinula sp. genus	6	Animalia : Cnidaria : Anthozoa : Syringophyllidae : *Sarcinula*	449.5 - 443.7 Ma Paleozoic
Favistella sp. genus	6	Animalia : Cnidaria : Anthozoa : Stauriidae : *Favistella*	449.5 - 443.7 Ma Paleozoic
Favistina sp. genus	6	Animalia : Cnidaria : Anthozoa : Stauriidae : *Favistina*	449.5 - 443.7 Ma Paleozoic
Streptelasma sp. genus	6	Animalia : Cnidaria : Anthozoa : Streptelasmatidae : *Streptelasma*	457.5 - 452 Ma Late/Upper Ordovician
Rhabdotetradium sp. genus	6	Animalia : Cnidaria : Anthozoa : Tetradiidae : *Rhabdotetradium*	449.5 - 443.7 Ma Paleozoic
Crinoidea class	3	Animalia : Echinodermata : Crinoidea	453 - 445.2 Ma Late/Upper Ordovician
Echinoidea class	3	Animalia : Echinodermata : Protocidaris : Echinoidea	453 - 445.2 Ma Late/Upper Ordovician
Bivalvia class	3	Animalia : Mollusca : Bivalvia	453 - 445.2 Ma Late/Upper Ordovician
Discoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Trocholitidae : *Discoceras*	457.5 - 452 Ma Late/Upper Ordovician
Gastropoda class	3	Animalia : Mollusca : Gastropoda	453 - 445.2 Ma Late/Upper Ordovician
Maclurites sp. genus	6	Animalia : Mollusca : Gastropoda : Maclureadae : *Maclurites*	449.5 - 443.7 Ma Paleozoic
Stromatoporoidea class	3	Animalia : Porifera : Stromatoporoidea	453 - 445.2 Ma Late/Upper Ordovician
Clathrodictyon sp. genus	6	Animalia : Porifera : Clathrodictyidae : *Clathrodictyon*	449.5 - 443.7 Ma Paleozoic
Labechiida order	4	Animalia : Porifera : Stromatoporoidea : Labechiida	449.5 - 443.7 Ma Paleozoic
Labechiella sp. genus	6	Animalia : Porifera : Stromatoporoidea : Labechiida : Labechiidae : *Labechiella*	453 - 445.2 Ma Late/Upper Ordovician
Rosenella sp. genus	6	Animalia : Porifera : Stromatoporoidea : Labechiida : Rosenellidae : *Rosenella*	453 - 445.2 Ma Late/Upper Ordovician
Dasycladaceae family	5	Plantae : Chlorophyta : Ulvophyceae : Dasycladales : Dasycladaceae	453 - 445.2 Ma Late/Upper Ordovician
Dasyporella sp. genus	6	Plantae : Chlorophyta : Ulvophyceae : Dasycladales : Dasyporellaceae : *Dasyporella*	453 - 445.2 Ma Late/Upper Ordovician
Moniliporella sp. genus	6	Chlorophyta : Dasycladophyceae : Dasycladales : Seletonellaceae : *Moniliporella*	453 - 445.2 Ma Late/Upper Ordovician
Vermiporella sp. genus	6	Plantae : Chlorophyta : Ulvophyceae : Dasycladales : Dasycladaceae : *Vermiporella*	453 - 445.2 Ma Late/Upper Ordovician

References

Stratigraphic Group of NingXia, GanSu and ShanDong Provinces (1980) Regional stratigraphic table of northern China: NingXia, GanSu and ShanDong Provinces, Geological Publishing House, Beijing, China (Original source resides with A. Miller)

Stratigraphic Group of Quing Hai Province (1980) Regional stratigraphic tables of the north western China region: Volume of NinXia Province, Geological Publishing House, Beijing, China

Zhang Y. S. (1983) Stratigraphic table of northwestern region of China: ShaanXi Province part, Geological Publishing House, Beijing, China, 12-28

Lin B., Webby B. D. (1988) Clathrodictyid stromatoporoids from the Ordovician of China, Alcheringa 12, 233-247

Zheng L., Bao H., et al (2018) Distinguishing coral reef facies from coral-bearing open platform facies: Examples from Ordovician Ordos Basin, Northwest China, Palaeogeography, Palaeoclimatology, Palaeoecology 495, 72-86 doi:https://doi.org/10.1016/j.palaeo.2017.12.031

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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