C. americanus, C. anceps, C. angustus, C. apollinis, C. californicus, C. circinatus, C. complicatus, C. corrugatus, C. cuthandensis, C. cyrtocera, C. epicranum, C. gatunensis, C. haliotis, C. hanieli, C. humilis, C. hungaricus, C. javanus, C. junghuhni, C. lissus, C. lius, C. monroei, C. muensteri (syn. C. neritoides), C. occidentalis, C. pretiosus, C. selcanus, C. sigmoidalis, C. silverthorni, C. sundaicus, C. tortus, C. uncinatus, C. ungaricus, C. unguis, C. varians, C. verus, C. welteri

C. barrandei, C. bonneti, C. chipolanus, C. danieli, C. elongatus, C. erectus, C. expansus, C. gelus, C. hungaricus, C. japonicus, C. ladyae, C. laevis, C. microstriatus, C. pacificus, C. pennatus, C. piramidensis, C. planus, C. sericeus, C. spangleri, C. subcompressus, C. langdoni, C. chinensis, C. koeneni, C. merignacensis, C. elatus, C. liberatus, C. striatulus