Difflugia schizocaulis (Stepanek, 1952)

Diagnosis: Shell ovoid to pyriform, with an irregularly forked aboral protrusion; usually both humps or extremities are inequal in length. Shell composed of small to large pieces of flat quartz. Nucleoli fusiform.

Dimensions: Stepanek (1952): 175-332 µm. My measurements: about 196 um (n=2).

Ecology: Freshwater, sediment.

Remarks: I found two specimens in a sample with no other Difflugia species.