Classification of the genus Helicoprion
G. †Helicoprion Karpinsky 1899
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†Helicoprion bessonowi Karpinsky 1899
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Invalid names: Helicoprion nevadensis Wheeler 1939 [synonym]
†Helicoprion davisii Woodward 1886
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Invalid names: Helicoprion jingmenense Chen et al. 2007 [synonym], Helicoprion sierrensis Wheeler 1939 [synonym], Lissoprion ferrieri Hay 1907 [synonym]
†Helicoprion ergassaminon Bendix-Almgreen 1966
Invalid names: Lissoprion Hay 1907 [synonym]