Uchami, Nizhnyaya Tunguska River, Krasnoyarskii Krai, Russia.
Distribution:
From middle to lower Yenesei River eastward to middle Lena River and Lake Baikal; the Middle Siberian Plateau and adjacent Lena River basin (Lissovsky, 2002).
Status:
Not Evaluated.
Comments:
Subgenus Pika. This newly recognized species is widely sympatric with O. hyperborea over much of its range.