Classification of the order Acanthodiformes
Or. †Acanthodiformes Berg 1940
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Fm. †Acanthodidae Huxley 1861
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G. †Acanthodes Agassiz 1833
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†Acanthodes australis Woodward 1906
†Acanthodes beecheri Eastman 1902
†Acanthodes bridgei Zidek 1976
†Acanthodes bronni Agassiz 1833
†Acanthodes gracilis Beyrich 1949
†Acanthodes guizhouensis Wang and Turner 1985
†Acanthodes marshi Eastman 1902
†Acanthodes mitchelli Egerton 1861
†Acanthodes nitidus Woodward 1891
†Acanthodes ovensis White 1927
†Acanthodes peachi Egerton 1861
†Acanthodes punctatus Fritsch 1893
†Acanthodes pusillus Agassiz 1844
†Acanthodes pygmaeus Fritsch 1875
†Acanthodes rouvillei Sauvage 1883
†Acanthodes sulcatus Agassiz 1835
†Acanthodes wardi Egerton 1866
G. †Cheiracanthus Agassiz 1835
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†Cheiracanthus brevicostatus Gross 1973
†Cheiracanthus grandispinus Mcoy 1848
†Cheiracanthus latus Egerton 1861
†Cheiracanthus longicostatus Gross 1973
†Cheiracanthus minor Agassiz 1835
†Cheiracanthus murchisoni Agassiz 1835
†Cheiracanthus splendens Gross 1973
G. †Homalacanthus Russell 1951
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†Homalacanthus bergi Obruchev 1962
†Homalacanthus concinnus Russell 1951
Fm. †Howittacanthidae Zajıc 1995
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G. †Mesacanthus Traquair 1888
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†Mesacanthus mitchelli Egerton 1861
†Mesacanthus peachi Egerton 1861
†Mesacanthus pusillus Agassiz 1844
†Mesacanthus semistriatus Woodward 1892
Invalid names: Cheiracanthidae [empty], Mesacanthidae [empty]