Other Species:
    C. alacinatus Siddiqi, 1981
        syn.: C. brevis Siddiqi & Khan, 1983
               C. lycus Siddiqi & Khan, 1983
               C. tausifi Siddiqi & Khan, 1983
    C. andrassyi Brzeski, 1987
    C. aquaticus Siddiqi, 1978
    C. areolatus (Egunjobi, 1967) Siddiqi 1978
    C. assamensis (Phukan & Sanwal, 1980) Andrassy, 1981
    C. bisexualis Siddiqi, 1981
    C. cancellatus (Cobb, 1925) Siddiqi, 1978
    C. cocophilus Andrassy, 1982
        syn.:  C. temperatus Siddiqi & Khan, 1983
     C. costatus (de Man, 1921) Siddiqi, 1978 syn.: C. acceptus Andrassy, 1982
    C. emelcius Siddiqi & Khanm 1983
    C. franklinae Siddiqi, 1981
    C. gracilis Andrassy, 1982
    C. indicus (Khan, Chawla & Prasad, 1969) Siddiqi, 1978
    C. japonicus Mizukubo & Minagawa, 1984
    C. lateralis Andrassy, 1981
    C. lycopersicus (Husain & Khan, 1976) Siddiqi, 1978
    C. modicus (Siddiqi & Khan, 1983) Mizukubo & Minagawa, 1985
    C. multigyrus Siddiqi, 1981
    C. oligogyrus Brzeski, 1987
    C. pastor Andrassy, 1982
    C. polonicus Brzeski, 1982
    C. polygyrus Bajaj & Bhatti, 1983
    C. pycnocephalus Siddiqi, 1981
    C. rafiqus (Siddiqi & Khan, 1983) Mizukubo & Minagawa, 1985
    C. rhombus Andrassy, 1982
    C. rugosus Andrassy, 1982
    C. siddiqi Andrassy, 1982
    C. tuberosus (Maqbool, 1983) Mizukubo & Minagawa, 1985
    C. turkeyensis Siddiqi, 1981