Kalpin area (Ordovician of China)

Also known as Reef 3738

Where: Xinjiang, China (40.4° N, 79.0° E: paleocoordinates 30.9° S, 117.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Dawangou Formation, Darriwilian (467.3 - 458.4 Ma)

• lower part of the formation

• group of beds-level stratigraphic resolution

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

• small patch reefs

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: B. Liu, J. K. Rigby, and Z. Zhu. 2003. Middle Ordovician lithistid sponges from the Bachu-Kalpin area, Xinjiang, northwestern China. Journal of Paleontology 77(3):430-441 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 80010: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.04.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Radiocyatha
  - Soanitidae
Calathium sp. Billings 1865
Demospongiae
 Lithistida - Streptosolenidae
Hudsonospongia cyclostoma Raymond and Okulitch 1940 demosponge
? Aulocopium sp. Oswald 1847 demosponge
 Lithistida - Anthaspidellidae
Pseudopalmatohindia sp. Rigby and Webby 1988 demosponge
Rhopalocoelia kalpinensis n. sp. Liu et al. 2003 demosponge
Archaeoscyphia minganensis Billings 1859 demosponge