Classification of the genus Calyptaulax
G. †Calyptaulax Cooper 1930
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†Calyptaulax angusta Cooper 1953
†Calyptaulax annulata Raymond 1905
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Invalid names: Calliops strasburgensis Ulrich and Delo 1940 [synonym], Pterygometopus gracilens Raymond 1925 [synonym]
†Calyptaulax brongniartii Portlock 1843
†Calyptaulax callicephalus Hall 1847
†Calyptaulax cornwalli Ross and Barnes 1967
†Calyptaulax glabella Cooper 1930
†Calyptaulax holstonensis Raymond 1925
†Calyptaulax hunteri Reed 1914
†Calyptaulax incepta Whittington 1965
†Calyptaulax norvegicus Stormer 1945
†Calyptaulax sillimani Roy 1941