Citation: Sr. Gelder et A. Ohtaka, Redescription and designation of lectotypes of the North American Cambarincola okadai Yamaguchi, 1933 (Annelida : Clitellata : Branchiobdellidae), P BIOL SOC, 113(4), 2000, pp. 1089-1095
Citation: Sr. Gelder et A. Ohtaka, Description of a new species and a redescription of Cirrodrilus aomorensis(Yamaguchi, 1934) with a detailed distribution of the branchiobdellidans (Annelida : Clitellata) in northern Honshu, Japan, P BIOL SOC, 113(3), 2000, pp. 633-643
Citation: A. Ohtaka et M. Nishino, Studies on the aquatic oligochaete fauna in Lake Biwa, central Japan. II. Records and taxonomic remarks of nine species, HYDROBIOL, 406, 1999, pp. 33-47