Classification of Galácz et al. 2010
G. †Grammoceras
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†Grammoceras striatulum Sowerby 1825
†Grammoceras thouarsense d'Orbigny 1844
G. †Hildaites
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†Hildaites striatus Guex 1973
†Hildaites subserpentinus Buckman 1921
G. †Lytoceras Suess 1865
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Subg. †Lytoceras (Trachylytoceras) Buckman 1913
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†Lytoceras (Trachylytoceras) sepositum Meneghini 1875
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†Pseudogrammoceras fallaciosum Bayle 1878
†Pseudogrammoceras muelleri Denckmann 1887
Subg. †Phylloceras (Phylloceras) Suess 1865
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†Phylloceras (Phylloceras) doderleinianum Catullo 1853
G. †Mouterdeiceras Elmi and Rulleau 1995
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†Mouterdeiceras dubourgi Elmi and Rulleau 1995
G. †Telodactylites Pinna and Levi-Setti 1971
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†Telodactylites eucosmus Lippi-Boncambi 1947
G. †Cingolites Sassaroli and Venturi 2010
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†Cingolites picenus Sassaroli and Venturi 2010