Xiangbo reef, Unit 69, Longlin County (Permian of China)

Also known as Reef 224

Where: Guangxi, China (24.9° N, 105.2° E: paleocoordinates 4.1° N, 96.0° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Changxing Formation, Changhsingian (254.2 - 252.2 Ma)

• Unit 69, upper Changxing Formation

• bed-level stratigraphic resolution

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

Size class: macrofossils

Primary reference: J. K. Rigby, J. Fan, and W. Zhang. 1989. Sphinctozoan sponges from the Permian reefs of South China. Journal of Paleontology 63(4):404-439 [W. Kiessling/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47433: authorized by Wolfgang Kiessling, entered by Sabine N├╝rnberg on 25.02.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongea
 Agelasida - Sebargasiidae
Polycystocoelia huajiaopingensis Zhang 1983 demosponge
Amblysiphonella sp. Steinmann 1882 demosponge
sp. A
"Amblysiphonella ? merlai" = Laccosiphonella merlai Parona 1933 demosponge
 Agelasida - Intrasporeocoeliidae
Rhabdactinia complexa2 Rigby et al. 1994 demosponge
Rhabdactinia columnaria Yabe and Sugiyama 1934 demosponge
Disjectoporidae
  - Disjectoporidae