Shitouzhai Reef (Permian of China)

Also known as Reef 197

Where: Guizhou, China (25.8° N, 106.1° E: paleocoordinates 5.3° N, 96.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Reef Core 149 Meter thick

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; limestone

• The reef core extends about 4 km, the width of outcrop 800m
• light, grey, massive, sparry sponge biolithite

Size class: macrofossils

Primary reference: D. Zeng, B. Liu, and Y. Huang. 1994. Reefs through geological ages in China. Reefs through geological ages in China 1-104 [W. Kiessling/F. Reichel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 80251: authorized by Wolfgang Kiessling, entered by Falko Reichel on 10.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• dominating sponges: 30 - 50% of reef builders
Show authors, comments, and common names
unclassified
  -
Subacosymplegma sp., Quadealupia sp., Heptostylis sp., Praesolenopora sp.
Hexactinellida
 Lychniscosa - Callodictyonidae
Plocoscyphia sp.
Plocoscyphia sp. Reuss 1846 glass sponge
  -
Hodsia sp.
Hodsia sp. glass sponge
Demospongiae
 Verticillitida - Colospongiidae
"Waagenella sp." = Colospongia
"Waagenella sp." = Colospongia Laube 1865 demosponge
 Spirosclerophorida - Haplistiidae
Kazania sp.
Kazania sp. demosponge
 Agelasida - Sebargasiidae
Amblysiphonella sp.
Amblysiphonella sp. Steinmann 1882 demosponge
 Agelasida - Cryptocoeliidae
Cryptocoelia sp.
Cryptocoelia sp. Steinmann 1882 demosponge
Hydrozoa
  - Nigriporellidae
Tubiphytes sp.
Tubiphytes sp. Maslov 1956
 Milleporina - Heterastrididae
"Heterastridium" sp.
"Heterastridium" sp. Reuss 1865 fire coral
no plausible, Norian genus!
 Spongiomorphida - Spongiomorphidae
Spongiomorpha sp.
Spongiomorpha sp. Frech 1890