 Epitonium bellastriatum (Carpenter, 1864) |  Epitonium catalinae Dall, 1917 |  Epitonium catalinensis Dall, 1917 |
 Epitonium hindsii (P. P. Carpenter, 1856) |  Epitonium tinctum bormanni A. M. Strong, 1941 |  Opalia borealis Keep, 1881 |
 Opalia funiculata (P. P. Carpenter, 1857) |  Opalia montereyensis (Dall, 1907) |  Opalia wroblewskyi (Morch, 1875) |
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