C. alaskensis, C. aquilonia, C. arcuata, C. calendae, C. changmeensis, C. clannyana (syn. Martinia winchiana, Thecidium productiforme), C. expansa, C. extumida, C. inflata, C. levicula, C. longa, C. longirostris, C. longtanica, C. major, C. muliensis, C. opalinus, C. parva, C. planoconvexa, C. sulcata, C. telleri, C. tianshengqiaoensis, C. uralica, C. urei, C. wampensis

C. acadia, C. apena, C. arcuatus, C. fissa, C. jurkowicensis, C. laevicula, C. magnispina, C. minuta, C. minutus, C. nastus, C. nucella, C. rifica, C. roxoi, C. speciosa, C. subtilita, C. unguiculus, C. youngstownensis