Classification of Benzaggagh et al. 2022
Subor. †Ammonitina Hyatt 1889
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Superfm. †Eoderoceratoidea Spath 1929
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Fm. †Dactylioceratidae Hyatt 1867
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Subfm. †Dactylioceratinae Hyatt 1867
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G. †Dactylioceras Hyatt 1867
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Subg. †Dactylioceras (Orthodactylites) Buckman 1926
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†Dactylioceras (Orthodactylites) semiannulatum Howarth 1978
G. †Porpoceras
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Superfm. †Hammatoceratoidea Schindewolf 1964
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Superfm. †Hildoceratoidea Hyatt 1867
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Fm. †Hildoceratidae Hyatt 1867
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Subfm. †Harpoceratinae Neumayr 1875
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G. †Harpoceras
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†Harpoceras falciferum Sowerby 1820
†Harpoceras pseudoserpentinum Gabilly 1973
†Harpoceras serpentinum Schlotheim 1813
†Harpoceras subplanatum Oppel 1856
Subfm. †Hildoceratinae Hyatt 1867
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G. †Hildaites
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†Hildaites forte Buckman 1921
†Hildaites levisoni Simpson 1843
†Hildaites serpentiniformis Buckman 1921
†Hildaites striatus Guex 1973
†Hildaites subserpentinus Buckman 1921
†Hildaites wrighti Spath 1913
G. †Hildoceras
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†Hildoceras bifrons Bruguiere 1792
†Hildoceras lusitanicum Meister 1913
†Hildoceras semipolitum Buckman 1902
†Hildoceras sublevisoni Fucini 1919
Subfm. †Mercaticeratinae Guex 1973
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G. †Pseudocrassiceras Rulleau and Jattiot 2019
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†Pseudocrassiceras bayani Dumortier 1874
†Pseudocrassiceras frantzi Reynes 1868