Supported by the National Natural Science Foundation of China (Grant No. 50402023)
Sponges are the oldest and the simplest but not primitive multicellular animals. They represent the earliest evolutionary metazoan phylum still extant. It was a long and painful scientific process to posi-tion the mos...
This research was funded by grants fromthe National Natural Science Foundation of China ( No.50402023) ;European Commission,the Deutsche Forschungsgemeinschaft,the Bundesministeriumfr Bildung und Forschung Germany (project : Center of Excellence BI