Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering,College of Life Sciences,Beijing Normal University,Beijing 100875,China;2.Beijing Breeding Center for Endangered Animals,Beijing 102602,China
The phylogeny of the monal pheasants (Lophophorus) and their relationships to some species of the genera Tragopan,Pucrasia and Ithaginis were studied by comparing mitochondrial cytochrome b (cyt b) nucleotide sequences.The molecular phylogenetic trees show that:1)the genus Tragopan and the genus Pucrasia share a common ancestor which is the sister taxon of the ancestor of the genus Lophophorus;2)the genus Lophophorus had evolved into two branches:One was the Sclaters Monal;the other included the Chinese Monal and the Himalayan Monal.Considering its molecular phylogeny,distribution patterns and morphological evidences,the genus Lophophorus might originate in the Hengduan mountains region of southwestern China.
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