C. antestriata, C. aquiana (syn. C. sepulcollis, C. halei), C. arcacea, C. astartiformis, C. austriaca, C. baudeti, C. bosquetiana, C. branneri, C. carcarensis, C. carmanahensis, C. carolinensis, C. caudata, C. chargensis, C. chiesai, C. clarkensis, C. claytonensis, C. collina, C. compacta, C. compressa, C. conradiana, C. corioensis, C. corrugata, C. cowlitzensis, C. cygnea (syn. C. gibba, C. turgida), C. dalli, C. dennanti, C. dennati, C. densus, C. desioi, C. desmaresti, C. desvauxi, C. elongata, C. eutawcolens, C. evansii, C. flexura, C. fusca, C. gamma, C. haughtoni, C. hauniensis, C. hodgei (syn. Crassatellites roodensis), C. kalitensis, C. kroisbachensis, C. lillisi, C. lincolnensis, C. lomana, C. longior, C. macrodonta (syn. C. sulcifera), C. manzourensis, C. marrotiana, C. meganosensis, C. mercedensis, C. merriami, C. mulates, C. neorhynchus, C. numidica, C. oenana, C. patagonica, C. pedroi, C. perrini, C. plumbea, C. portelli, C. radiata, C. rafaeli, C. rhomboidea, C. rothii (syn. C. wanneri, C. matercula, C. zitteli), C. saulae, C. scutellaria, C. stewartvillensis, C. stillwaterensis, C. studleyi, C. sulcata, C. symmetrica, C. texalta, C. trapaquara, C. tumidula, C. unioides, C. uvasana (syn. Astarte semidentata, Crassatellites grandis, C. alta, C. grandis), C. vadosa (syn. Crassatellites carolinana, C. lintea, C. ripleyana, C. subplana, Uddenia fragilis), C. washingtoniana, C. weaveri, C. willcoxi, Crassatellites asakuraensis, Crassatellites berryi, Crassatellites brainerdi, Crassatellites camurus, Crassatellites exiguus, Crassatellites iheringi, Crassatellites inconspicuus, Crassatellites maroimensis, Crassatellites matsuraensis, Crassatellites negreetensis, Crassatellites neusensis, Crassatellites paramesus, Crassatellites texana, Crassatellites yabei

C. aequalis, C. africana, C. aperta, C. bellovacensis, C. boncevi, C. bosqueti, C. brandmayri, C. carcaensis, C. carcarensis, C. carcarensis, C. carolinana, C. chaillolensis, C. chatfieldensis, C. chilena, C. ciplyensis, C. compressirostrea, C. conradi, C. dainellii, C. deformis, C. depressa, C. desensis, C. deshayesiana, C. dilatata, C. distincta, C. djakovi, C. eutawacolens, C. evansi, C. exalta, C. excelsa, C. faxensis, C. foveolata, C. franzeseii, C. fruscogorensis, C. gabbi, C. gigantea, C. grignonensis, C. groenwalli, C. haskoviensis, C. hemileia, C. incurva, C. inglisia, C. inquirenda, C. ioannes, C. jousseaumi, C. kaiseri, C. krachi, C. krumbecki, C. littoralis, C. maruejoli, C. montensis, C. negreetensis, C. neusensis, C. newkirkensis, C. nilotica, C. normaniana, C. obliquata, C. oblongata, C. ocordia, C. parva, C. pauxilla, C. pirovanoi, C. planiuscula, C. pleshakovi, C. plicata, C. porcus, C. protracta, C. pugetensis, C. pyrenaica, C. quaasii, C. quinlanensis, C. radiatus, C. regularis, C. rhombea, C. roodensis, C. rossii, C. sanchezi, C. schaurothi, C. schoonoverae, C. seccoi, C. semilaevis, C. sforzai, C. sinuosa, C. slavonica, C. sowerbyi, C. subgibbosula, C. subsulcata, C. tenuistriata, C. tenuisulcata, C. thallavignesi, C. transversus, C. trapoquara, C. trigonata, C. trigonula, C. tumidum, C. ustjurtensis, C. uvasana, C. uvasana, C. vadosa bexarensis, C. vadosa cedarensis, C. vadosa chatfieldensis, C. vadosa manorensis, C. wasana, C. washingtonensis, C. wemmelensis, C. wilcoxi, C. woodi, C. yabei, C. gigantica, C. jamaicensis, C. negreetensis, C. subrotunda, C. oblongata, C. pauxilla, C. ustjurtensis, C. tenuicostata