A new arthropod in chain-like associations from the Chengjiang Lagerstätte (Lower Cambrian), Yunnan, China by Xian-Guang, H, Siveter, D, Aldridge, R, Siveter, D

A NEW ARTHROPOD IN CHAIN-LIKE ASSOCIATIONS FROM THE CHENGJIANG LAGERSTATTE (LOWER CAMBRIAN), YUNNAN, CHINA by Xian-Guang, H, Siveter, D, Aldridge, R, Siveter, D

The systematics and phylogenetic relationships of vetulicolians by Aldridge, R, Xian-Guang, H, Siveter, D, Siveter, D, Gabbott, SE

New evidence on the anatomy and phylogeny of the earliest vertebrates. by Xian-guang, H, Aldridge, R, Siveter, D, Siveter, D, Xiang-hong, F