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Use of the Toe Pad and Tooth Morphology in Differentiating Three Species of Desmognathus (Amphibia, Urodela, Plethodontidae)

Ronald S. Caldwell and Stanley E. Trauth
Journal of Herpetology
Vol. 13, No. 4 (Nov. 15, 1979), pp. 491-497
DOI: 10.2307/1563486
Stable URL: http://www.jstor.org/stable/1563486
Page Count: 7
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Use of the Toe Pad and Tooth Morphology in Differentiating Three Species of Desmognathus (Amphibia, Urodela, Plethodontidae)
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Abstract

A morphological study comparing Desmognathus welteri with D. monticola and D. fuscus was conducted. The structure of two characters, toe friction pads and jaw teeth, were assessed. Darkened toe friction pads were found in D. welteri and D. monticola, but were absent in D. fuscus. In contrast, D. welteri and D. fuscus share similar jaw dentitions (blunt-crowned teeth) as opposed to the dentition of D. monticola (piercing, pointed teeth).

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