Ohtaka, A., & Gelder, S. R. (2023). A taxonomic reassessment of Cirrodrilus japonicus (Pierantoni, 1912) (Annelida, Clitellata, Branchiobdellida). Zootaxa, 5263(4), 557–565. https://doi.org/10.11646/zootaxa.5263.4.7