| 11. | The dermal denticles are tiny, smooth, and non-overlapping.
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| 12. | The skin is thick and covered by well-calcified dermal denticles.
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| 13. | The dermal denticles have rounded bases and three horizontal ridges.
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| 14. | The skin is soft and entirely devoid of dermal denticles.
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| 15. | The tail is covered by dermal denticles towards the tip.
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| 16. | The dorsal surface is covered by small, roughly conical dermal denticles.
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| 17. | The skin is covered by tiny, non-overlapping dermal denticles.
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| 18. | The skin is covered with closely placed dermal denticles.
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| 19. | Both the dorsal and ventral surfaces are smooth and have no dermal denticles.
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| 20. | The dermal denticles are oval with five horizontal ridges leading to marginal teeth.
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