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Issue: Vol. 1945 No. 1: 28 Nov. 2008
Type: Article
Published: 2008-11-28
DOI: 10.11646/zootaxa.1945.1.3
Page range: 51–66
Abstract views: 83
PDF downloaded: 1

Dissecting the major African snake radiation: a molecular phylogeny of the Lamprophiidae Fitzinger (Serpentes, Caenophidia)

UMR 7138, Systématique, Evolution, Adaptation, Département Systématique et Evolution, C. P. 26, Muséum National d’Histoire Naturelle, 43 Rue Cuvier, Paris 75005, France
Bayworld, P.O. Box 13147, Humewood 6013, South Africa
Royal Belgian Institute of Natural Sciences, Rue Vautier 29, B-1000 Brussels, Belgium Smithsonian Institution, Center for Conservation Education and Sustainability, B.P. 48, Gamba, Gabon
Department of Biology, 208 Mueller Laboratory, Pennsylvania State University, University Park, PA 16802-5301 USA
Biodiversity Foundation for Africa, P.O. Box FM 730, Bulawayo, Zimbabwe
Institute of Pharmacy and Molecular Biotechnology, University of Heidelberg, INF 364, D-69120 Heidelberg, Germany
Centre national de séquençage, Genoscope, 2 rue Gaston-Crémieux, CP5706, 91057 Evry cedex, France
Staatliches Naturhistorisches Museum, Pockelsstr. 10, 38106 Braunschweig, Germany
Royal Belgian Institute of Natural Sciences, Rue Vautier 29, B-1000 Brussels, Belgium
Reptilia Alethinophidia Atractaspidinae c-mos cytochrome b Dromophis Elapoidea Gonionotophis Hormonotus Lamprophiinae Lamprophis Lycodonomorphus Lycognathophis Mehelya Micrelaps ND4 Oxyrhabdium Psammophiinae Psammophis

Abstract

The Elapoidea includes the Elapidae and a large (~60 genera, 280 sp.) and mostly African (including Madagascar) radiation termed Lamprophiidae by Vidal et al. (2007), that includes at least four major groups: the psammophiines, atractaspidines, lamprophiines and pseudoxyrhophiines. In this work, we reviewed the recent taxonomic history of the lamprophiids, and built a data set including two nuclear protein-coding genes (c-mos and RAG2), two mitochondrial rRNA genes (12S and 16S rRNA) and two mitochondrial protein-coding genes (cytochrome b and ND4) for 85 species belonging to 45 genera (thus representing about 75% of the generic diversity and 30% of the specific diversity of the radiation), in order to clarify the phylogenetic relationships of this large and neglected group at the subfamilial and generic levels. To this aim, 480 new sequences were produced. The vast majority of the investigated genera fall into four main monophyletic clusters, that correspond to the four subfamilies mentioned above, although the content of atractaspidines, lamprophiines and pseudoxyrhophiines is revised. We confirm the polyphyly of the genus Stenophis, and the relegation of the genus name Dromophis to the synonymy of the genus name Psammophis. Gonionotophis brussauxi is nested within Mehelya. The genus Lamprophis Fitzinger, 1843 is paraphyletic with respect to Lycodonomorphus Fitzinger, 1843. Lamprophis swazicus is the sister-group to Hormonotus modestus, and may warrant generic recognition. Molecular data do not support the traditional placement of Micrelaps within the Atractaspidinae, but its phylogenetic position, along with that of Oxyrhabdium (previously considered to belong to the Xenodermatidae), requires additional molecular data and they are both treated as Elapoidea incertae sedis. The interrelationships of Psammophiinae, Atractaspidinae, Lamprophiinae, Pseudoxyrhophiinae, Prosymna (13 sp.), Pseudaspis (1 sp.) and Pythonodipsas (1 sp.), Buhoma (2 species), and Psammodynastes (1 sp.) remain unresolved. Finally, the genus Lycognathophis, endemic to the Seychelles, does not belong to the African radiation, but to the Natricidae.

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