Clathrulina elegans
Clathrulina elegans, diameter 97 µm

 

 

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.

 

 

Key to species
1
Test with relatively large openings
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Test with relatively small openings