22. Tubifex tubifex (Müller, 1774)

Tubifex tubifex (Müller) . Liang 1962: 20 –22; Wang 2002: 109; Cui 2008: 67. Tubifex sp. Yamaguchi 1940: 387 –388.

Material. Yarlung Zangbu River: ST1, 3 spms; ST5, 6 spms. Lhasa River: ST10, 12 spms; ST12, 3 spms. Niyang River: ST29, 7 spms; ST30, 1 spm; ST32, 6 spms; ST34, 3 spms. Lake Yamzhao Yumco: ST38, 1 spm; ST52, 2 spms. Lalu Wetland: ST60, 4 spms; ST61, 7 spms; ST62, 2 spms.

Remarks. Cosmopolitan. First record from Tibet.