[OANNES Foro] New insights into the phylogenetic relationships among the oceanic dolphins (Cetacea: Delphinidae)

[Mario Cabrejos]

Journal of Zoological Systematics and Evolutionary Research 

First published: 05 November 2018

 <https://doi.org/10.1111/jzs.12255> https://doi.org/10.1111/jzs.12255


 


New insights into the phylogenetic relationships among the oceanic dolphins
(Cetacea: Delphinidae)


 
<https://onlinelibrary.wiley.com/action/doSearch?ContribAuthorStored=Horreo%
2C+Jose+L> Jose L. Horreo

 


Abstract


The phylogenetic relationships of oceanic dolphins (family Delphinidae)
remain unclear. Several works using mitochondrial and/or nuclear DNA on
different genera and species have been published, though no consensus exists
regarding even the subfamilies that conform the family. Here, a new
phylogeny for the family Delphinidae, including 36 different complete
mitochondrial genomes (plus two outgroups), was constructed under Bayesian
and maximum likelihood approaches. Results indicate identical tree topology
in both cases, with almost all nodes fully supported independently of the
reconstruction approach. This topology is different from those previously
published and proposes new phylogenetic relationships among subfamilies,
genera and species of the family. These findings are critically important
for the study of oceanic dolphin taxonomy, ecology, evolution and
conservation, and highlight the importance of revisiting and resolving
uncertain phylogenies.

 



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