Upper Cambrian, Shaknotuu limestone, Sha-Kuo-Tun, Chin-Hsi- 

 Hsien, Fengtien (Coll. J. G. Andersson. Cotypes, G. S. Ch. Cat. Nos. 616, 

 617, 618.). 



Fig. 8. Anomocare flava W'alcott p. 80 



8a cranidinm x 4 8b cranidinm x 4 



8c pygidiura x 4 8d pygidium x 4 



Middle Cambrian, Changhia limestone, Cheng-Shan, Chao-Kuo- 

 Chuang, Chihli (Coll. K. S. Hsu. G. S. Ch. Cat. Nos. 619, 620, 621, 622.). 



Fig. 9. Dolichometopus deois Walcott p. 81 



9. cranidinm x 2 



Middle Cambrian, Changhia limestone, Kwang-Hsi-Ying IBM# 

 Luan-Chou, Chihli (Coll. J. G. Andersson, G. S.Ch. Cat. No. 023.). 



Fig. 10. llheimrus pagoda Sun p. 82 



10a pygidium x 3 10b pygidium x 3 10c pygidium x 3 



Upper Cambrian, Kaolislian formation, Kao- Li-Shan, Tai-An, 

 Shantung (Coll. Y. C. Sun. Cotypes G. S. Ch. Cat. Nos. 624, 525, 626.). 



Fig. 1 1 . Taianocephalus grabui Sun p. 84 



11 cranidinm x 1^ 



Upper Cambrian, Kaolishan limestone, Kao-Li-Shan, Tai-An, Shan- 

 tung (Coll. Y. C. Sun. Holotype, G. S. Ch. Cat. No. 627.). 



Fig. 12. Wongia triangulata Sun p. 85 



12a cranidinm x 7 (Holotype, G. S. Ch. Cat. No. 628a). 

 12b associated cranidinm x a (Paratypc, G. S. Ch. Cat. No. 628b) . 

 Late middle Cambrian, Kushan formation, Lin-Cheng, Chihli 

 (Coll. Y. T. Chao and C. C Tien.). 



109 



