Internasal scales

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In snakes, the ínternasal scales are those on top of the head between the scales that surround the nostrils.[1] They are usually paired and situated just behind the rostral.[2]

Cited references

  1. ↑ Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-4014-0463-0.
  2. ↑ U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 203 pp. ISBN 0-486-26629-X.
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