supported by the Natural Science Foundation of China(NSFC grant 41272019,41372021);the "973 project" of the Ministry of Science and Technology of China"(2013CB835002, 2013CB837100);the "111 project" of the Programs of Introducing Talents of Discipline to Universities(No: W20136100061);the MOST Special Fund from the State Key Laboratory of Continental Dynamics,Northwest University,China
The early Cambrian pentamerous microfossil Olivooides/Punctatus in South China, which is characterized by a diagnostic stellate tubular apex, has been well-known for its almost complete development sequence that can b...