Ziyundong, Ziyun County, Southern Guizhou (Permian to of China)

Also known as Reef 196

Where: Guizhou, China (25.8° N, 106.2° E: paleocoordinates 3.4° S, 97.5° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ziyundong Member (Houziguan Limestone Formation), Wordian to Wordian (266.9 - 259.5 Ma)

• Maokouan regional stage

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified rudstone and lithified framestone

Size class: macrofossils

Primary reference: J. K. Rigby, J. Fan, W. Zhang, S. Wang, and X. Zhang. 1994. Sphinctozoan and Inozoan Sponges from the Permian Reefs of South China. BYU Geology Studies 40:43-109 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47456: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 25.02.2005, edited by Wolfgang Kiessling and Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Chlorophyceae
 Dasycladales -
Cyanophyceae
  - Aphralysiaceae
Bivalvia
  -
Bivalvia indet.2 Linnaeus 1758 clam
Bryozoa
  -
Bryozoa indet.2 Ehrenberg 1831
Brachiopoda
  -
Brachiopoda indet.2 Cuvier 1805
Demospongiae
 Verticillitida - Colospongiidae
Colospongia cortexifera Senowbari-Daryan and Rigby 1988 demosponge
 Verticillitida - Verticillitidae
Stylothalamia ex gr. eleganta Rigby et al. 1994 demosponge
 Verticillitida - Tebagathalamiidae
Tebagathalamia cylindrica Senowbari-Daryan and Rigby 1988 demosponge
 Agelasida - Intrasporeocoeliidae
Intrasporeocoelia hubeiensis Fan and Zhang 1985 demosponge
 Agelasida - Thaumastocoeliidae
Sollasia sp.2 Steinmann 1882 demosponge
 Agelasida - Guadalupiidae
Guadalupia sp.2 Girty 1909 demosponge
 Agelasida - Pharetrospongiidae
Grossotubenella parallela Rigby et al. 1989 demosponge
Calcarea
 Calcaronea - Stellispongiidae
Peronidella sp.2 Hinde 1893 calcareous sponge
Anthozoa
 Scleractinia -
Houchangocyathus wangi1 Ezaki 2000 stony coral
 Favositida - Pachyporidae
Heterocoenites sp.2 Gerth 1922 tabulate coral
Hydrozoa
 Milleporina - Heterastrididae
"Heterastridium" sp.2 Reuss 1865 fire coral
not plausible, Norian genus!
  - Nigriporellidae
Tubiphytes sp.1 Maslov 1956