Nakano, Takafumi. “A New Species of Orobdella (Hirudinida, Arhynchobdellida, Orobdellidae) from the Tsukuba Mountains in Japan: See Table S1 As Supplementary Material”. SOIL ORGANISMS 93, no. 2 (July 31, 2021): 105–114. Accessed November 28, 2021. http://soil-organisms.org/index.php/SO/article/view/154.