Genus Clathrulina Cienkowski, 1867
Diagnosis: Cell surrounded by a stalked spherical test with numerous openings for the axopodia. Axopodia with few microtubuli and kinetocysts, often branching. Zoospores with two flagellae.
Type species: C. elegans Cienkowski, 1867
Ecology: Sphagnum swamps and among aquatic plants in ponds; locally common.
|1||Test with relatively large openings||C. elegans|
|-||Test with relatively small openings||C. stuhlmanni|