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Etrema
Etrema crassilabrum
Reeve 1846, ( 10 13 ) Philippines,
Shells Philippines, p.276 pl.79
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Etrema gainesi
(Pilsbry 1895), ( 8 ) Japon,
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Etrema subauriformis
(Smith E. A. 1879), ( ) Japon & Chine,
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Etrema