Internasal scales

In snakes, the internasal 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]

Nomenclature of scales (top view of head)

See also

References
  1. Wright AH, Wright AA (1957). Handbook of Snakes of the United States and Canada. Ithaca and London: Comstock Publishing Associates. (7th printing, 1985). 1,105 pp. (in two volumes). ISBN 0-8014-0463-0.
  2. U.S. Navy (1991). Poisonous Snakes of the World. United States Government. New York: Dover Publications Inc. 203 pp. ISBN 0-486-26629-X.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.