Classification of Bitner and Dulai 2004

G. †Ancistrocrania Dall 1877
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†Ancistrocrania abnormis Defrance and Hoeninghaus 1828
G. Crania Retzius 1781
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†Crania subrostrata Boettger 1901
G. †Aphelesia Cooper 1959
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†Aphelesia acuta Meznerics 1943
†Aphelesia bipartita Brocchi 1814
G. Hemithiris d'Orbigny 1847
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†Hemithiris parvillima Sacco 1902
G. Gryphus Megerle von Mühlfeld 1811
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†Gryphus miocaenicus Michelotti 1847
G. Megathyris d'Orbigny 1847
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G. Megerlia King 1850
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Megerlia margaritata Meznerics 1943
Invalid names: Muhlfeldtia Batle 1880 [synonym]
G. Platidia Costa 1852
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Platidia anomioides Scacchi and Philippi 1844
G. Terebratulina d'Orbigny 1847
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Terebratulina retusa Linnaeus 1758
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Invalid names: Terebratulina caputserpentis Linnaeus 1767 [synonym]
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Invalid names: Megathiris decollata Chemnitz 1785 [replaced]
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Invalid names: Argyrotheca subcuneata Boettger 1901 [synonym], Cistella subcordata Boettger 1901 [synonym]