Classification of the family Sphenacanthidae

Fm. †Sphenacanthidae Maisey 1982
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G. †Khuffia Koot et al. 2013
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†Khuffia lenis Koot et al. 2013
†Khuffia prolixa Koot et al. 2013
G. †Sphenacanthus Agassiz 1837
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†Sphenacanthus costellatus Traquair 1884
†Sphenacanthus hybodioides Agassiz 1843
†Sphenacanthus hybodoides Newberry 1873
†Sphenacanthus marshi Newberry 1873
†Sphenacanthus riorastoensis Pauliv et al. 2012
†Sphenacanthus sanpauloensis Chahud et al. 2010
†Sphenacanthus serrulatus Agassiz 1837