Nasal scales: Difference between revisions
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In reptiles, the '''nasal scale''' refers to the scale that encloses the [[nostril]].<ref name="Mal03">Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.</ref> Sometimes this scale is paired (divided). In such cases, the anterior half is referred to as the '''prenasal''' and the posterior half is referred to as the '''postnasal'''.<ref name="W&W57">Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.</ref> '''Supranasal scales''' are those located above the nasal scale.<ref name="Mal03"/> | In reptiles, the '''nasal scale''' refers to the scale that encloses the [[nostril]].<ref name="Mal03">Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.</ref> Sometimes this scale is paired (divided). In such cases, the anterior half is referred to as the '''prenasal''' and the posterior half is referred to as the '''postnasal'''.<ref name="W&W57">Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.</ref> '''Supranasal scales''' are those located above the nasal scale.<ref name="Mal03"/> | ||
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Revision as of 18:53, 28 March 2007
In reptiles, the nasal scale refers to the scale that encloses the nostril.[1] Sometimes this scale is paired (divided). In such cases, the anterior half is referred to as the prenasal and the posterior half is referred to as the postnasal.[2] Supranasal scales are those located above the nasal scale.[1]
Cited references
- ↑ 1.0 1.1 Mallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.
- ↑ Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.