The catalogue is based on data of "Catalogue of Type Specimens of Parasitic Helminths Preserved in the Museums in Japan, 2nd Ed." (Machida, M., Araki, J. & Mitsuoka T., 1991; National Museum of Nature and Science, Tokyo) and "A Revised Checklist and Bibliography of the Platyhelminth Parasites by Dr. Yoshimasa Ozaki, 1923-1966, and their Specimens Deposited in the Meguro Parasitological Museum, Tokyo."(Shimazu, T. (1995), Journal of Nagano Prefectural College, 50: 33-50.), and newly registrated data of parasite specimens deposited to Meguro Parasitological Museum after 1991. Type specimens of 1,187 parasite species are recorded until now.