轮虫00
标线长34μm
轮虫01
标线长34μm
轮虫02
标线长34μm
Lecane, a rotifer with a turtle- like shell (lorica)
食肉性轮虫 Synchaeta, a very transparent predatory rotifer 
Rotifer，Lecane Species 放大25倍左右
Rotifer 07, © www.water-treatment.com.cn
Rotifer 08,© www.water-treatment.com.cn