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Canthus (herpetology)
Feature of a amphibians' and reptiles' head From Wikipedia, the free encyclopedia
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In snakes and amphibians, the canthus, canthal ridge or canthus rostralis[1] is the angle between the flat crown of the head and the side of the head between the eye and the snout,[2] or more specifically, between the supraocular scale and the rostral scale. It is defined as a sharp ridge in many viperids, but is rounded in most rattlesnakes, for example.[3][4]
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