Trichodinids (Ciliophora: Peritrichida) are one of the most common parasitic ciliates, which can cause serious diseases in aquaculture animals of both marine and freshwater environments.

• 摘要车轮虫属一大类寄生性纤毛虫原生动物，可不同程度地给宿主造成危害，故对其研究既具有理论意义，又具有经济价值。