Classification of Donald et al. 2005
Fm. Trochidae Rafinesque 1815 [top snail]
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Subfm. Monodontinae Cossman 1916
Subfm. Trochinae Rafinesque 1815
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Tr. Gibbulini Stoliczka 1868
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G. †Austrocochlea Fischer 1855
G. Chlorodiloma Plisbry 1889
G. Diloma Philippi 1845
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Subg. Diloma (Pictodiloma) Habe 1946
Invalid names: Anisodiloma Finlay 1926 [synonym], Cavodiloma Finlay 1926 [synonym], Fractarmilla Finlay 1926 [synonym], Melagraphia [synonym], Neodiloma Fischer 1885 [synonym]
G. Oxystele
Invalid names: Monodontini Cossman 1916 [synonym]