主题：【已应助】求助5篇英文文献 谢谢大家了

【序号】：1
【作者】：Mark Williamsa, , , David J. Sivetera, Leonid E. Popovb, Jean M.C. Vannierc
【题名】：Biogeography and affinities of the bradoriid arthropods: Cosmopolitan microbenthos of the Cambrian seas
【期刊】：Palaeogeography, Palaeoclimatology, Palaeoecology
【年、卷、期、起止页码】：Volume 248, Issues 1–2, 14 May 2007, Pages 202–232
【全文链接】：http://www.sciencedirect.com/science/article/pii/S003101820600681X

【序号】：2
【作者】：Timothy P. Toppera, , , Christian B. Skovstedb, c, Glenn A. Brocka, John R. Patersond
【题名】：The oldest bivalved arthropods from the early Cambrian of East Gondwana: Systematics, biostratigraphy and biogeography
【期刊】：Gondwana Research
【年、卷、期、起止页码】：Volume 19, Issue 1, January 2011, Pages 310–326
【全文链接】：http://www.sciencedirect.com/science/article/pii/S1342937X10001012

【序号】：3
【作者】：Robert K. Carr1,*, Zerina Johanson2 andAlex Ritchie3
【题名】：The phyllolepid placoderm Cowralepis mclachlani: Insights into the evolution of feeding mechanisms in jawed vertebrates
【期刊】：Journal of Morphology
【年、卷、期、起止页码】：Volume 270, Issue 7, pages 775–804, July 2009DOI: 10.1002/jmor.10719
【全文链接】：http://onlinelibrary.wiley.com/doi/10.1002/jmor.10719/abstract

【序号】：4
【作者】：Samuel P. Davis,        John A. Finarelli        & Michael I. Coates
【题名】：Acanthodes and shark-like conditions in the last common ancestor of modern gnathostomes
【期刊】：Nature 486,
【年、卷、期、起止页码】： 247–250 (14 June 2012) doi:10.1038/nature11080
【全文链接】：http://www.nature.com/nature/journal/v486/n7402/full/nature11080.html

【序号】：5
【作者】：Vincent Dupret,        Sophie Sanchez,        Daniel Goujet,        Paul Tafforeau        & Per E. Ahlberg
【题名】：A primitive placoderm sheds light on the origin of the jawed vertebrate face
【期刊】：Nature 507
【年、卷、期、起止页码】：, 500–503 (27 March 2014) doi:10.1038/nature12980
【全文链接】：http://www.nature.com/nature/journal/v507/n7493/full/nature12980.html

谢谢，万分感谢