 | Page/Plate |
| Sea Shells of the West Indies | p 92 |
| Malacological Fauna from the Cape Verde Archipelago | p 121; 337/506 |
| Synonyms |
| Epitonium (Epitonium) eburnea pumilio Mørch, O.A.L., 1874 |
| Opalia (Nodiscala) subvaricosa Mørch, O.A.L., 1874 |
| Acad. Nat. Sci. Phil. | |
| Epitonium (Epitonium) subvaricosa pumilio Mørch, O.A.L., 1874 |
| American Conchologist | Vol. 18/4, p 15 |
| Opalia (Nodiscala) dunkeri Boury, E.A. de, 1889 |
| Acad. Nat. Sci. Phil. | |
| Opalia (Nodiscala) nodosocarinata Dall, W.H., 1889 |
| Opalia (Nodiscala) semivaricosa Boury, E.A. de, 1889 |
| Acad. Nat. Sci. Phil. | |
| Scala barbadensis Boury, E.A. de, 1913 |
| Acad. Nat. Sci. Phil. | |
| Opalia (Nodiscala) linteatum Schwengel, J.S., 1943 |
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