“…Recently, much work has been carried out on the systematics of Urostylida, a specialized group of hypotrichs with ventral cirri arranged in a zigzag pattern (Berger, 2006;Chen, X., et al, 2013aChen, X., et al, , 2014Fan et al, 2014aFan et al, , 2014bFan et al, , 2014cHuang, Chen, Song, & Berger, 2014;Jiang et al, 2013;Lv, Shao, Yi, & Warren, 2015;Pan et al, 2013;Yi & Song, 2011). The urostylid genus Uncinata was established by Bullington (1940) with U. gigantea as the type species.…”