| 1 | |||
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ISO visible on at least some ventral
scales, usually most evident in the pectoral and inguinal area.
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or
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Without ISO on ventrals | |
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| 2 | |||
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With osteoderms mainly visible on flesh side of ventrals, at least in the pectoral region* |
or
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Without osteoderms on ventrals (flesh side) |
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