双鞭毛的
The newly developed sporophytes also released this kind of biflagellate neutral zoospores to complete asexual reproduction. 同时，有性生殖则由配子体和孢子体相互交替完成；
Biflagellate neutral zoospores released from zoosporangia were settled after moving for about an hour.Settled biflagellate neutral zoospores could develop into sporophytes. 有些孢子体通过放散两鞭毛或四鞭毛的中性游孢子进行无性生殖。
unicellular or colonial biflagellate free-swimming flagellates. 自由泳的单细胞或群居双鞭毛藻。
