C. antestriata, C. aquiana (syn. C. halei, C. sepulcollis), 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. 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. Crassatellites grandis, C. alta, C. grandis, Astarte semidentata), C. vadosa (syn. C. lintea, C. ripleyana, C. subplana, Uddenia fragilis, Crassatellites carolinana), 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. brandmayri, C. chilena, C. eutawacolens, C. exalta, C. excelsa, C. incurva, C. ioannes, C. montensis, C. pauxilla, C. sinuosa, C. jamaicensis