| 31. | The outer lip is acute, but varicose externally.
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| 32. | The aperture is rich orange or pink interiorly, and becomes paler towards the outer lip margin.
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| 33. | The outer lip is sinuous, produced forward above.
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| 34. | These exceptions mean that the reinforced outer lip is the most characteristic feature of this subfamily.
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| 35. | The outer lip is always thin and entire.
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| 36. | The outer lip from the channel to the slender notch anteriorly is protracted into a clawlike element.
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| 37. | The outer lip is thin and is joined by the body whorl above the upper spiral line.
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| 38. | The outer lip is thin, not descending.
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| 39. | The outer lip is thick and even.
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| 40. | The thick outer lip is striated internally.
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