“…A key to species is provided by Lee & Chang (2011). Species are: L. arcolepis Clausen, 2004, L. castoroides Clausen, 2004, L. laeviacus Lee & Chang, 2011, L. ligni Hochberg, Atherton & Gross, 2013, L. martini Remane, 1926, L. platyurus Remane, 1927, L. tsushimaenensis Lee & Chang, 2011, L. unicarenatus Balsamo, Fregni & Tongiorgi, 1994, and L. worsaae Hochberg & Atherton, 2011 be of unequal size. In several species, the posterior part of the intestine has an S-shaped course.…”