funded by National Basic Research Program of China(Grant No.40902007);the Special Fund for Basic Scientific Research of Central Colleges, Chang'an University,China(Grant Nos CHD2011TD005, CHD2011TD020,CHD2010JC074,CHD2009JC0018);the China Postdoctoral Science Foundation(Grant No. 20100471020);the Doctoral Fund of Ministry of Education of China(Grant No.20100205110003)
Yanjiahella gen. nov., a distinctive fossil taxon from the Early Cambrian Yanjiahe Biota in Yichang, Hubei Province, is characterized by: 1) an overall body plan composed of a stalk and a calyx (also arms in some s...