
1) Geologic formation of China
Found on
https://www.crosswordclues.com/clue/paibian

The Paibian is lowest stage of Furongian series of the Cambrian. It follows the Guzhangian (3rd series of the Cambrian) and is succeeded by the Jiangshanian stage. The base is defined as the first appearance of the trilobite Glyptagnostus reticulatus around {Geologic Ages Inline|Paibian} million years ago. The top, or the base of the Jiangshanian ...
Found on
http://en.wikipedia.org/wiki/Paibian
No exact match found.