Known only from the internal, endorheic drainage basin of the Kor [Kur] River which terminates in the salt lakes Tashk and Bakhtegan which are variably connected and distinct, with Tashk being the northern basin receiving the Kor River. Found in Pulvar [Polvār] River, a principal tributary to the Kor River (the classical Araxes) which rises in the Zagros Mountains. Recorded from a small stream which issues from a qanat near the archaeological site of Naqsh-e Rostam to the northeast of Persepolis (Ref. 81462). Also Ref. 106248.