3Fossil sites
Xidashan Formation
Xidashan Formation in China: 3 fossil sites. Typical age: 521–515 million years (Cambrian).
3Fossil sites
12Finds
521–515 million yearsTypical age
CambrianMain period
Where its fossils were found
Cambrian
By geological period
Cambrian3
What was found
Trilobites · 12Parazhenbaspis, Acanthomicmacca (Chengkouia), Kootenia, Pseudoprotolenella, Metaredlichia, Ushbaspis
Other formations of the same period
Cambrian
Huaqiao Formation 242Dengying Formation 113Zhujiaqing Formation 99Kaili Formation 90Yuanshan Formation 77Hsuchuang Formation 64Huayansi Formation 58Kushan Formation 51Qiongzhusi Formation 41Zhangxia Formation 41Shenjiawan Formation 38Guole Formation 36Siyangshan Formation 36Kuanchuanpu Formation 35Chaumitien Formation 30Niutitang Formation 29Fengshan Formation 27Yanjiahe Formation 26Changshan Formation 25Shuijingtuo Formation 21Wulongqing Formation 21Mantou Formation 21Yangliugang Formation 21Maochuang Formation 18