【序号】：1
【作者】：Samuel Zamora
【题名】：Middle Cambrian echinoderms from north Spain show echinoderms diversified earlier in Gondwana
【期刊】：Geology
【年、卷、期、起止页码】：(2010),38(6):507v. 38 no. 6 p. 507-510doi: 10.1130/G30657.1
【全文链接】：http://geology.geoscienceworld.org/content/38/6/507

【序号】：2
【作者】：C. R. C. PAUL andA. B. SMITH
【题名】：THE EARLY RADIATION AND PHYLOGENY OF ECHINODERMS
【期刊】：Biological Reviews
【年、卷、期、起止页码】：Volume 59, Issue 4, pages 443–481, November 1984DOI: 10.1111/j.1469-185X.1984.tb00411.x
【全文链接】：http://onlinelibrary.wiley.com/doi/10.1111/j.1469-185X.1984.tb00411.x/abstract

【序号】：3
【作者】：Andrew B. Smith*
【题名】：The pre-radial history of echinoderms
【期刊】：Geological Journal
【年、卷、期、起止页码】：Volume 40, Issue 3, pages 255–280, June 2005DOI: 10.1002/gj.1018
【全文链接】：http://onlinelibrary.wiley.com/doi/10.1002/gj.1018/abstract

【序号】：4
【作者】：MARTIN STEIN
【题名】：A new arthropod from the Early Cambrian of North Greenland, with a ‘great appendage’-like antennula
【期刊】：Zoological Journal of the Linnean Society
【年、卷、期、起止页码】：Volume 158, Issue 3, pages 477–500, March 2010 DOI: 10.1111/j.1096-3642.2009.00562.x
【全文链接】：http://onlinelibrary.wiley.com/doi/10.1111/j.1096-3642.2009.00562.x/abstract;jsessionid=3FECEA6DCCD53F05A534AFF24DE97E32.f03t03

【序号】：5
【作者】：Artem Kouchinskya*, Stefan Bengtsona*, Sébastien Clausenb*, Alexander Gubanovc*, John M. Malinkyd* & John S. Peele
【题名】： A middle Cambrian fauna of skeletal fossils from the Kuonamka Formation, northern Siberia
【期刊】：Alcheringa: An Australasian Journal of Palaeontology
【年、卷、期、起止页码】：Volume 35, Issue 1, 2011  Translator disclaimer  DOI:10.1080/03115518.2010.496529 pages 123-189
【全文链接】：http://www.tandfonline.com/doi/full/10.1080/03115518.2010.496529

谢谢，万分感谢