The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

 ISSN 0268-0130

2021 Impact Factor from Clarivate for the Herpetological Journal is 1.194, an increase of 0.332 from 2020.

pdf 04. On phylogenetic relationships within Dendrotriton (Amphibia: Caudata: Plethodontidae) is there sufficient evidence


Open Access


Authors: Mark Wilkinson

Abstract: Previous phylogenetic analyses of the relationships among five Central American salamanders of the genus Dendrotriton are reviewed. The available data was reanalysed using parsimony under a variety of analytical treatments. The results are highly sensitive to (I) the coding method used to convert quantitative characters into discrete character states; (2) different scalings (weighting) of multistate characters; and (3) the omission or inclusion of potentially problematic characters. Explorations of length differences between most parsimonious trees and selected less parsimonious alternatives reveal that under each treatment, most parsimonious trees are only marginally more parsimonious than alternatives and that Bremer support for the clades occurring in MPTs is always low. Tree length distributions are not highly left-skewed as would be expected of phylogenetically informative data. These analyses suggest that there is little phylogenetic signal in the available data and that these data provide little basis for well supported phylogenetic inferences. Both parsimony and compatibility-based randomization tests confirm this interpretation. The null hypotheses that the data are not significantly different from phylogenetically uninformative randomly permuted data cannot be rejected for any of the analytical treatments. Given failure to reject the null hypothesis, phylogenetic hypotheses for Dendrotriton based on the available data are uncompelling. Additional data are needed. Results of the randomization tests are consistent with the view that there has been extensive homoplasy in bolitoglossine salamanders.

Download Access:

The latest 8 issues can be downloaded when logged in with a Herpetological Journal subscription membership.

Individual articles can be purchased for download.

Older issues and occasional Open Access articles are available for public download


For further information and submission guidelines please see our Journal Instructions to Authors

pdfBHS Ethics Policy


Please note that as from Volume 31 Number 1 (January 2021) on, the Herpetological Journal will be available as an online publication only - the last print edition will be Volume 30 Number 4.   

Aligning with this change, it is now no longer possible to purchase a subscription that includes a print copy of the HJ.  All members who have existing HJ print subscriptions that remain active as at end June 2020 will receive the full four 2020 print editions.  New subscribers or renewals after this time will only have option to subscribe to the online only subscription package.  Subscription pricing has been amended to reflect the content changes.