Also known as Reef 223
Where: Hubei, China (30.5° N, 109.1° E: paleocoordinates 10.6° N, 95.1° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified limestone
•organisms: hypercalcified sphinctozoan and inozoan sponges, sclerosponges, stromatoporoid sponge, bryozoans, and hydrozoans.
•Binding organisms: Archaeolithoporella, Palaeoaplysina, Tubiphytes, and cyanobacteria.
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•reef dwellers:
•Echinoderms, ammonites, bivalves, brachiopods, gastropods, benthic foraminifera, calcareous algae, and single rugose corals.
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•Rock type and reef-related depositional characteristic:
•Fore-reef slope: spiculitic-calcispherical cherty wackestone with reef breccias Reef core: sponge framestone and bafflestone, Archaeolithoporella and cyanobacteria bindstone, and sponge framestone with the encrusting Archaeolithoporella
•Reef flat (reef crest): packstone with reef breccia
•Reef base: echinodermal packstone to grainstone
•Back-reef lagoon: bioclastic packstone with calcareous algae, gastropods, and foraminifers.
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•Reef type:
•Metazoan reef at the shallow carbonate platform margin
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: J. S. Fan and W. Zhang. 1985. Sphinctozoans from Late Permian Reefs of Lichuan, West Hubei, China. Facies 13:1-44 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 74928: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.09.2007, edited by Mihaela Krause
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Echinodermata indet.2 Klein 1754 | |
Brachiopoda | |
Brachiopoda indet.2 Cuvier 1805 | |
Bryozoa | |
Bryozoa indet.2 Ehrenberg 1831 | |
Cephalopoda | |
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Gastropoda | |
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Bivalvia | |
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Hydrozoa | |
Hydrozoa indet.2 Owen 1843 | |
Tubiphytes sp.2 Maslov 1956 | |
Anthozoa | |
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Demospongiae | |
"Waagenella sp." = Colospongia
"Waagenella sp." = Colospongia Laube 1865 demosponge | |
Sinocoelia lepida n. gen. n. sp.
Sinocoelia lepida n. gen. n. sp. Zhang and Fan 1985 demosponge | |
Polycystocoelia sinica n. sp.
Polycystocoelia sinica n. sp. Zhang 1983 demosponge | |
"Lichuanospongia cf. typica" = Cystauletes typica
"Lichuanospongia cf. typica" = Cystauletes typica Zhang 1983 demosponge | |
unclassified | |
Cyanobacteria sp.2 Stanier 1973 | |
Cyanophyceae | |
Archaeolithoporella sp.1 Endo 1959 | |
Rhodophyceae | |
Palaeoaplysina sp.2 Krotov 1888 | |
Foraminifera | |
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