Xiangbo reef, unit 36, Longlin County (Permian of China)

Also known as Reef 225

Where: Guangxi, China (24.9° N, 105.2° E: paleocoordinates 4.2° S, 97.6° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Maokou Formation, Capitanian (264.3 - 259.5 Ma)

• Unit 36, upper Maokou Formation

• bed-level stratigraphic resolution

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

• Rudstones, Floatstones and a few scattered sponge framestones.

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 47435: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 25.02.2005, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Calcarea
 Calcaronea - Stellispongiidae
Stellispongia sp.2 d'Orbigny 1849 calcareous sponge
Demospongiae
 Agelasida - Intrasporeocoeliidae
Rhabdactinia depressa Rigby et al. 1989 demosponge
Intrasporeocoelia hubeiensis Fan and Zhang 1985 demosponge
 Agelasida - Sebargasiidae
Amblysiphonella spinosa n. sp. Rigby et al. 1989 demosponge
Polycystocoelia huajiaopingensis2 Zhang 1983 demosponge
 Agelasida - Auriculospongiidae
Cavusonella caverna1 Rigby et al. 1989 demosponge
 Verticillitida - Colospongiidae
Colospongia sp. Laube 1865 demosponge
sp. A, C. cortexifera from Maokou Fm. at Xiangbo reported in 1994