Genus: Polystira W.P. Woodring, 1928 (syn: Oxytropa - DB: 30 SP, 22 IMG)
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Genus: Ptychosyrinx K.H.J. Thiele, 1925 (syn: Bathybermudia, Subulata - DB: 9 SP, 8 IMG)
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Genus: Sinistrella O. Meyer, 1887 (DB: 2 SP, 1 IMG)
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Genus: Siphonaliopsis Le Renard, 1995 † (DB: 1 SP, 1 IMG)
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Genus: Siphopsis Rafinesque, 1819 † (DB: 2 SP, 2 IMG)
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Genus: Surculoma Casey, 1904 † (DB: 2 SP, 1 IMG)
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Genus: Turridrupa C. Hedley, 1922 (DB: 17 SP, 17 IMG)
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