In snakes, the canthals are the scales along the upper surface of the canthus rostralis. They are located behind the level of the prenasal/postnasal suture and before the supraocular. They are also described as being located along the edge of the crown between the internasals and the supraoculars. If these are large scales that contact each other along the midline, they are more properly referred to as prefrontals.
Intercanthal scales are located between the canthal scales.
References
- ^ Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.
- Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.
- This article incorporates material from the Citizendium article "Canthal scales", which is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License but not under the GFDL.
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