C. baragwanathi, C. chamishkjensis, C. chaoi, C. cherokeensis, C. chesterensis, C. compressa, C. concentricus, C. deflecta (syn. C. gibbosa), C. deliciasensis, C. dereimsii, C. flemingi, C. foedus, C. glabra, C. glenparkensis, C. gregarius, C. illinoisensis, C. laevis, C. logani, C. mesoloba, C. missouriensis, C. moelleri, C. monosensis, C. multicosta, C. obtusa, C. oklahomensis, C. phosphoriensis, C. pinegensis, C. planumbona, C. platynota, C. posturalicus, C. pygmoideus, C. rarispina, C. semiovalis, C. shumardiana, C. sichuanensis, C. sinuatus, C. squama, C. suavis, C. timanica, C. variolaris

C. aurora, C. billingsi, C. bretzii, C. buchanensis, C. cangonensis, C. capax, C. careyi, C. comoides, C. dalmanianus, C. embryo, C. falklandicus, C. gloucesterensis, C. hemisphericus, C. indosinensis, C. kashmiriensis, C. kingi, C. laguessiana, C. longispine, C. macrostriatus, C. magnini, C. manitobensis, C. minimus, C. minuta, C. mosensis, C. mucronatus, C. ornatus, C. papilionacea, C. rectispina, C. sauntonensis, C. striatella, C. stubeli, C. timanicus, C. vanigibbosus, C. verneuile, C. verneuilianus, C. zimmermanni, C. lauriata, C. stoddarti