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Gyraulus

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Gyraulus acronicus (Ferussac 1807), ( 8 ) Autriche,

B.Cabinet  Helmut Nisters shell

Gyraulus convexiusculus (Hutton 1849), ( ) Singapour,

Molluscan Pictures

Gyraulus parvus (Say 1824), ( ) U.S.A.,

Florida Museum

Gyraulus rossmaessleri (Auerswald 1852), ( 4 ) Pologne,

B.Cabinet

Gyraulus tokyoensis (Mori 1938), ( 4 ) Japon,

B.Cabinet