Classification
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Xenosaurus - Mexican Knob-scaled Lizards
- Xenosaurus grandis - Knob-scaled Lizard
- Xenosaurus newmanorum - Newman's Knob-scaled Lizard
- Xenosaurus penai - Pena's Knob-scaled Lizard
- Xenosaurus phalaroanthereon - Chin Spotted Knob-scaled Lizard
- Xenosaurus platyceps - Flathead Knob-scaled Lizard
- Xenosaurus rectocollaris - Pallid Knob-scaled Lizard
