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Invertebrate Systematics Invertebrate Systematics Society
Systematics, phylogeny and biogeography
RESEARCH ARTICLE

A molecular phylogenetic approach to the New Zealand species of Enantiobuninae (Opiliones : Eupnoi : Neopilionidae)

Sebastián Vélez A B C , Rosa Fernández A and Gonzalo Giribet A
+ Author Affiliations
- Author Affiliations

A Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA.

B Present address: Biology Department, Worcester State University, 486 Chandler Street, Worcester, MA 01602, USA.

C Corresponding author. Email: svelez@worcester.edu

Invertebrate Systematics 28(6) 565-589 https://doi.org/10.1071/IS14030
Submitted: 22 June 2014  Accepted: 5 September 2014   Published: 19 December 2014

Abstract

Members of the New Zealand Enantiobuninae constitute some of the most charismatic soil arthropods of the archipelago, and a striking example of sexual dimorphism, with nondescript females but colourful males boasting exaggerated chelicerae many times longer than their bodies. The genera Forsteropsalis and Pantopsalis recently underwent revision, but many questions remained about the validity of species designations owing to historical issues of characters of dubious taxonomic value, female specimens designated as holotypes despite the males holding all the diagnostic characters, and the suspected presence of more than one male form within some species. We present the first phylogeny based on molecular data for the New Zealand species in the genera Forsteropsalis, Pantopsalis and Mangatangi, and comment on the taxonomic implications of our results, including the diagnostic viability of important morphological characters. Our analyses reject the monophyly of Neopilionidae and Forsteropsalis, but support the monophyly of Pantopsalis. Finally, we comment on the taxonomic implications of the results, including the diagnostic validity of morphological characters traditionally used on the groups.

Additional keywords: Australia, biogeography, Monoscutidae, phylogeny.


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