Classification of Milner 1994

Fm. †Ophiderpetontidae Schwarz 1908
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G. †Oestocephalus Cope 1868
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Oestocephalus granulosum Fritsch 1880
Oestocephalus nanum Hancock and Atthey 1868
Oestocephalus vicinum Fritsch 1880
G. †Ophiderpeton Huxley 1866
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Ophiderpeton brownriggi Wright and Huxley 1871
Ophiderpeton kirktonense Milner 1994