Classification of the genus Proturritella
G. †Proturritella Koken 1889
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†Proturritella bicarinata Wahlenberg 1821
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Invalid names: Gonionema angulosum Koken 1897 [synonym], Proturritella gradata Koken 1897 [synonym], Proturritella reticulata Koken 1897 [synonym]
†Proturritella cingulata Koken 1896
†Proturritella cyclophora Koken and Perner 1925
†Proturritella gracilis Koken 1889
†Proturritella historicum Hudson 1905
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Invalid names: Proturritella altisulcatum Hudson 1905 [synonym], Proturritella epitome Hudson 1905 [synonym], Proturritella normaliana Raymond 1905 [synonym]
†Proturritella microclathrata Hudson 1905
Invalid names: Gonionema Koken 1896 [synonym], Pseudeunema Cossmann 1899 [synonym]