| 11. | There are two denticles posteriorly, one above and one below.
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| 12. | The denticles lie flat and typically have between five and seven ridges.
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| 13. | The denticles beneath the snout are very fine in adults.
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| 14. | Their scales, called dermal denticles, and teeth are homologous organs.
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| 15. | It is brownish above and white below, and lacks dermal denticles.
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| 16. | The dermal denticles are not tightly packed and overlap each other minimally.
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| 17. | The dermal denticles are large and rough, especially on the flanks.
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| 18. | The dermal denticles are large, giving the skin a rough texture.
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| 19. | The dermal denticles are tiny, smooth, and non-overlapping.
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| 20. | The skin is thick and covered by well-calcified dermal denticles.
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