Rostral scale

The rostral scale, or rostral, in snakes and other scaled reptiles is the median plate on the tip of the snout that borders the mouth opening.[1] It corresponds to the mental scale in the lower jaw. The term pertains to the rostrum, or nose. In snakes, the shape and size of this scale is one of many characteristics used to differentiate species from one another.

The shield-nosed cobra (genus Aspidelaps) has a greatly enlarged rostral scale.
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gollark: This is not too difficult, I think it took me about 30 minutes.
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gollark: I basically just had to write 20 lines of bridge code (into my existing random stuff webserver) and add some code to the computers running stuff ingame.
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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.
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