Also known as Codonophyllum-Qianbeilites-Spirocrinus Assemblage

Where: China (28.0° N, 108.0° E: paleocoordinates 7.2° N, 126.7° E)

• coordinate estimated from map

• basin-level geographic resolution

When: Spirograptus turriculatus graptolite zone, Leijiatun Formation, Telychian (438.5 - 433.4 Ma)

• Except where otherwise stated, ref. 7624 uses Lower Silurian as equivalent to Llandovery, Middle Silurian as equivalent to Wenlock, and Upper Silurian as equivalent to Ludlow plus Pridoli.

• formation-level stratigraphic resolution

Environment/lithology: marine; calcareous shale and limestone

Size class: macrofossils

Collection methods: Nautiloids said to be present, but are not listed.

Primary reference: E.-z. Mu, A. J. Boucot, X. Chen and J.-y. Rong. 1986. Correlation of the Silurian rocks of China. In A. J. Boucot and W. B. N. Berry (eds.), Geological Society of America Special Paper 202:1-80 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27773: authorized by Michael Foote, entered by Michael Foote on 08.01.2003

Creative Commons license: CC BY (attribution)