Classification of the genus Oryctocephalites
G. †Oryctocephalites Resser 1939
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Subg. †Oryctocephalites (Parachangaspis) Liu 1982
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†Parachangaspis haopingensis Yang et al. 1993
†Oryctocephalites alexandriensis Shergold 1969
†Oryctocephalites burgessensis Resser 1938
†Oryctocephalites gelasinus Shergold 1969
†Oryctocephalites incertus Tchernysheva 1962
†Oryctocephalites kueizhouensis Lu and Chien 1974
†Oryctocephalites limbatus Tchernysheva 1962
†Oryctocephalites opiki Shergold 1969
†Oryctocephalites palmeri Sundberg and McCollum 1997
†Oryctocephalites rasettii Sundberg and McCollum 1997
†Oryctocephalites resseri Rasetti 1951
†Oryctocephalites reynoldsi Reed 1899
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Invalid names: Oryctocephalites walcotti Resser 1938 [synonym]
†Oryctocephalites runcinatus Shergold 1969
†Oryctocephalites salteri Reed 1910
†Oryctocephalites sulcatus Shergold 1969
†Oryctocephalites typicalis Resser 1939
†Oryctocephalites vicinus Tchernysheva 1962