Rhabdostyla pristinis Righi 1973

— Fig. 4, G’

Diagnosis: Size about 37 µm long and 48 µm wide. Peduncle long, about 1/3 or 1/4 the size of the body, with four or five flexible transverse appendages. Transversely striated pellicle. Narrow, flat-surfaced peristomial disc with circular peristomial membrane. Infundibulum reaching about half of the body length and constricted in front of the contractile vacuole. Spiral macronucleus. Found on oligochaetes, Pristinis minuta .

Remarks: diagnosis according to Righi (1973)