†C. alatus Agassiz, 1843
†C. allodens Sharp & Clack, 2013
†C. angustus Newberry, 1898
†C. asteriscus Agassiz, 1845
†C. breviceps Woodward, 1906
†C. boudariensis Kemp, 2019
†C. corrugatus Atthey, 1868
†C. cristatus Agassiz, 1838
†C. deconiensis Van Ben. & De Kon.
†C. flabelliformis (Newberry, 1889)
†C. fleisheri
†C. fossatus Cope, 1877
†C. gurleyanus Cope, 1877
†C. heterolophus Cope 1883
†C. interruptus Barkas, 1869
†C. keyserlingii Agassiz, 1844
†C. lateralis Eichwald, 1845
†C. levis (Newberry, 1889)
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†C. marginalis Agassiz, 1845
†C. murchisoni Agassiz, 1843
†C. obliquus Hancock & Atthey
†C. ovatus Barkas, 1869
†C. parvulus Agassiz, 1844
†C. radiatus Eichwald, 1844
†C. roberti Smithson et al., 2016
†C. robertsoni Agassiz, 1838
†C. romeri Thomson, 1965
†C. serratus Eichwald, 1844
†C. siluricus Rohon, 1893
†C. tardus Fritsch, 1889
†C. trachylepis Frič, 1888
†C. tuberculatus Atthey, 1868
†C. vabasensis Cope, 1883
†C. wagneri Newberry, 1889
†C. whitropei Smithson et al., 2016
†C. williei Smithson et al., 2016
†C. woerthii Agassiz, 1845
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