One of a number of families into which the family Polypodiaceae has been subdivided in some classification systems,includes genera Blechnum,Doodia,Sadleria,Stenochlaena,Woodwardia.

• 在某些分类系统中细分的水龙骨科成员的一个科，乌毛蕨属，水龙骨属，狗脊属。