| 1. | (Original description ) The minute shell has a blunt protoconch.
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| 2. | The blunt smooth protoconch contains about one aperture but deeply cut.
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| 3. | The smooth protoconch contains 1?whorls followed by 4?subsequent whorls.
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| 4. | The protoconch is naticoid in shape and has approximately 3?whorls.
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| 5. | The six whorls are rounded, inclusive of the bulbous protoconch.
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| 6. | The larval shell of a gastropod is called a protoconch.
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| 7. | The protoconch of one whorl that is smooth and polished.
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| 8. | The molluscs that were placed in this order have a heterostrophic protoconch.
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| 9. | Umbilicas perforated, protoconch swollen, not in contact with first whorl.
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| 10. | The protoconch is glassy, rounded and two-whorled.
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