Lycodon and Dinodon: One genus or two? Evidence from molecular phylogenetics and morphological comparisons

被引：39
作者：
Guo, Peng [1 ,2 ]
Zhang, Liang [3 ]
Liu, Qin [1 ,2 ]
Li, Cao [2 ,4 ]
Pyron, R. Alexander [5 ]
Jiang, Ke [6 ]
Burbrink, Frank T. [7 ,8 ,9 ]
机构：
[1] Yibin Univ, Inst Biol, Yibin 644007, Peoples R China
[2] Yibin Univ, Coll Life Sci & Food Engn, Yibin 644007, Peoples R China
[3] South China Inst Endangered Anim, Guangzhou 510260, Guangdong, Peoples R China
[4] Yibin Univ, Inst Ecol, Yibin 644007, Peoples R China
[5] George Washington Univ, Dept Biol Sci, Washington, DC 20052 USA
[6] Chinese Acad Sci, Kunming Inst Zool, State Key Lab Genet Resources & Evolut, Kunming 650223, Peoples R China
[7] CUNY, Dept Biol, Grad Sch, New York, NY 10016 USA
[8] CUNY, Univ Ctr, New York, NY 10016 USA
[9] CUNY Coll Staten Isl, Dept Biol, Staten Isl, NY 10314 USA
来源：
MOLECULAR PHYLOGENETICS AND EVOLUTION | 2013年 / 68卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Colubridae; Lycodon; Dinodon; Maxillary dentition; Taxonomy; Lycodon futsingensis; SERPENTES COLUBRIDAE; SQUAMATA COLUBRIDAE; CHINA; MITOCHONDRIAL; SYSTEMATICS; PROVINCE; VIPERIDAE; INFERENCE; MRBAYES; BOIE;
D O I：
10.1016/j.ympev.2013.03.008
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Based on a molecular phylogeny and a comparison of maxillary dentition and morphology, the relationship between the genera Lycodon and Dinodon was investigated. Bayesian Inference and Maximum Likelihood analysis of two mitochondrial genes (cyt b and ND4) and two nuclear genes (c-mos and Rag1) suggested that the two genera shared a most recent common ancestor. However, Dinodon was paraphyletic and Lycodon was polyphyletic, each with respect to the other. The results from counts of maxillary teeth indicated that the diagnostic characters used by previous authors to separate Dinodon and Lycodon were not reliable. Taking the molecular and morphological evidence together, we synonymized Dinodon with Lycodon. In addition, the validity of the species L futsingensis was confirmed to be distinctly different from the other species of Dinodon and Lycodon. (C) 2013 Elsevier Inc. All rights reserved.
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收藏
页码：144 / 149
页数：6
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