Classification of the family Holoptychiidae
Fm. †Holoptychiidae Owen 1859
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G. †Glyptolepis Agassiz 1843
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†Glyptolepis baltica Gross 1936
†Glyptolepis elegans Agassiz 1844
†Glyptolepis groenlandica Jarvik 1972
†Glyptolepis leptopterus Agassiz 1844
†Glyptolepis microlepidotus Agassiz 1844
†Glyptolepis paucidens Agassiz 1844
G. †Holoptychius Agassiz 1843
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†Gyrolepis (Holoptychius) giganteus Agassiz 1843
†Holoptychius americanus Leidy 1843
†Holoptychius bergmanni Downs et al. 2013
†Holoptychius filosus Cope 1892
†Holoptychius flabellatus Cope 1892
†Holoptychius flemingi Agassiz 1844
†Holoptychius granulatus Newberry 1889
†Holoptychius hallii Newberry 1889
†Holoptychius hopkinsii M'Coy 1848
†Holoptychius ishora Jaekel 1929
†Holoptychius jarviki Cloutier and Schultze 1996
†Holoptychius latus Cope 1897
†Holoptychius nobilissimus Agassiz 1835
†Holoptychius pustulosus Newberry 1889
†Holoptychius quebecensis Whiteaves 1889
†Holoptychius radiatus Newberry 1889
†Holoptychius scheii Kiaer 1915
†Holoptychius serrulatus Cope 1897
†Holoptychius taylori Cloutier and Schultze 1996
†Holoptychius tuberculatus Newberry 1889
G. †Laccognathus Gross 1941
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†Laccognathus embryi Downs et al. 2011
†Laccognathus grossi Vorobyeva 2006
†Laccognathus panderi Gross 1941
Invalid names: Cyclodipterini [synonym]