Classification of Newton 1922

G. †Amphiperas Herrmannsen 1846
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Amphiperas nigeriensis Newton 1922
G. Crepidula Lamarck 1799
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Crepidula falconeri Newton 1922
G. †Exechestoma Cossmann 1899
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Exechestoma cossmani Newton 1922
G. †Hilda Hoernes and Auinger 1884
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Hilda turriculata Newton 1922
G. Rostellaria Lamarck 1799
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Rostellaria bidigitata Newton 1922
Rostellaria unidigitata Newton 1922
G. †Semiterebellum Cossmann 1889
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Semiterebellum elongatum Newton 1922
G. Sinum Röding 1798
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Sinum africanum Newton 1922
G. Tugurium Fischer 1880
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Tugurium nigeriense Newton 1922
G. Turritella Lamarck 1799 [turret shell]
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Turritella mauryana Newton 1922
Or. Neogastropoda Thiele 1929
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G. †Rhopalithes Grabau 1904
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Rhopalithes africanus Newton 1922
G. †Athleta Conrad 1853
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Athleta lugardi Newton 1922
G. †Buccinorbis Conrad 1865
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Buccinorbis kitsoni Newton 1922
G. Cancellaria Lamarck 1799
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Cancellaria multiplicis Newton 1922
G. Cominella Gray 1850
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Cominella douvillei Newton 1922
G. †Eopleurotoma Cossmann 1889
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Eopleurotoma nigeriensis Newton 1922
G. †Janiopsis Rovereto 1899
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Janiopsis nigeriensis Newton 1922
G. Liomesus Stimpson 1865
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Liomesus africanus Newton 1922
G. †Strepsidura Swainson 1840
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Strepsidura spirata Newton 1922
G. Surcula Adams and Adams 1853
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Surcula africana Newton 1922
G. Trigonostoma Blainville 1827
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Trigonostoma decorara Newton 1922
G. Volutospina Newton 1906
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Volutospina multispinosa Newton 1922
G. †Stellaxis Dall 1892
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Stellaxis bicingulata Newton 1922
G. Nucula Lamarck 1799
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Nucula costaeimbricatis Newton 1922
G. Anadara Gray 1847 [ark]
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Anadara nigeriensis Newton 1922
G. Glycymeris Da Costa 1778
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Glycymeris nigeriensis Newton 1922
G. Striarca Conrad 1862
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Striarca africana Newton 1922
G. Callista Poli 1791
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Callista elongatotrigona Newton 1922
Callista kitsoni Newton 1922
G. Cardita Bruguière 1792
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Cardita costaenodulosis Newton 1922
Cardita triparticostata Newton 1922
G. Divaricella Martens 1880
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Divaricella oppenheimi Newton 1922
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Peronaea nigeriensis Newton 1922
G. Phacoides Blainville 1825
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Phacoides eaglesomei Newton 1922
G. †Bulbifusus Conrad 1865
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Bulbifusus nigeriensis Newton 1922
G. Fossularca Cossmann 1887
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Fossularca africana Newton 1922
G. Sinodia Jukes-Brown 1908
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Sinodia hewardbelli Newton 1922