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Busycotypus | Busycon Opercula |
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| 1. Busycotypus spiratus (Lamarck, 1816) (23 mm.) | 3. Busycon carica (Gmelin, 1791) |
| 2. Busycotypus canaliculatus (Linnaeus, 1758) (32 mm.) | 4. Busycon sinistrum Hollister, 1958 |
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Busycotypus | Busycon Opercula |
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| 1. Busycotypus spiratus (Lamarck, 1816) (23 mm.) | 3. Busycon carica (Gmelin, 1791) |
| 2. Busycotypus canaliculatus (Linnaeus, 1758) (32 mm.) | 4. Busycon sinistrum Hollister, 1958 |
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