| 1. Size in millimeters |
| 2Under 5 345 to 10 6510 to 25 3625 to 50 3150 to 100 3100 to 200 |
| 2. Whorls, number of , range |
| 19Under 6 | 926-10 | 49Over 10 |
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| 3. Sculpture, axial, on last whorl |
| 42Absent or growth lines only | 6Nodes aligned vertically | 29Only or strongest on sinus fasciole | 77Ribs continuous or shouldered | 1Spines or flanges |
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| 4. Sculpture, spiral, on penultimate whorl |
| 13Absent | 125Cords |
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| 5. Color, dominant |
| 1Black 56Brown/Tan 18Gold/Yellow 5Gray 8Orange 5Pink 3Red 93White/Cream |
| 6. Notch, Anterior Siphonal |
| 52Extended as long canal | 54Extended as short canal | 38Notch only |
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| 7. Notch, Posterior: Position [Explain] |
| 12At Suture | 74Between suture and periphery | 38Near Periphery | 43Near Suture |
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| 8. Notch, Posterior, depth |
| 28At least twice as wide as deep | 52Deeper than wide | 39Depth similar to width | 32Wider than deep |
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| 9. Spire angle in degrees |
| 37Under 25 | 625-30 | 1930-35 | 1635-40 | 840-45 | 1445-50 | 1850-55 | 1555-60 | 860-65 | 1165-70 | 9Over 70 |
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| 10. Varix or heavy rib |
| 75Absent | 31At outer lip | 21Behind lip | 16Dorsal |
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| 11. Denticles inside inner lip |
| 103Absent | 37Present |
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| 12. Denticles inside outer lip |
| 102Absent | 35Posterior and anterior | 5Posterior only |
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