Classification of Thomas 1972

G. Turritella Lamarck 1799 [turret shell]
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†Turritella larensis Hodson 1926
G. Clathrodrillia Dall 1918
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G. Crassispira Swainson 1840
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†Crassispira conica Jung 1965
G. Polystira Woodring 1928
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†Polystira barretti Guppy 1866
G. Strioterebrum Sacco 1891
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†Strioterebrum ulloa Olsson 1932
Subg. †Turritella (Broderiptella) Olsson 1964
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