drawing Penard (1902)

 

 

Rhizaspis parvipunctata (Penard, 1902)

 

Diagnosis: Membrane finely and regularly punctate with a few minute scales. Nucleus single, small. Pseudopodia numerous, straight.

 

Dimensions: Length 50 µm. 

 

Ecology: Habitat among aquatic plants.

 

Remarks: the taxonomic status of this species is unclear. It might be a Lecythium, Sacciforma or Pseudodifflugia species as well, or belong to the genus described by Jung (1942) as Schwabia.