Journal of Genetics

, Volume 93, Issue 1, pp 163–167 | Cite as

Phylogeny of endemic skinks of the genus Lygosoma (Squamata: Scincidae) from India suggests an in situ radiation



The Indian subcontinent is an interesting biogeographical entity as it is isolated from the rest of the Asian landmass by very high mountain ranges of the Himalayas in the north and is surrounded by ocean in the south. Furthermore, much of this land mass was part of a Gondwanan fragment that merged with Asia around 42–55 mya (Briggs 2003). Thus, the Indian subcontinent has witnessed prolonged period of isolation (Datta-Roy and Karanth 2009) and appears to be largely cut-off from much of Asia. In this regard, the subcontinent could be considered as an island separated from the mainland (Asia). One interesting feature of an isolated island is the presence of endemic radiations, i.e., unique clades of taxa whose members are endemic to the island. As a consequence, the island’s biota tends to be unique and distinct from that of the mainland. Similarly, the Indian subcontinent harbours many endemic species and its biota is quite distinct from rest of Asia. This distinction is...


biogeography dispersal endemic systematics Lygosoma 



The field work and lab work was carried out using joint funding from Department of Science and Technology (DST) Govt. of India and Ministry of Environment and Forests (MoEF) Govt. of India. We thank Tarun Khichi for help during field work and Bhavani for paperwork pertaining to funding. We also thank Ishan Agarwal, Varad Giri, Navendu Page and Pratyush Mohapatra for help in procuring specimens in field. We are also grateful to the forest departments for providing us with collection permits in the states where the samples have been collected.

Supplementary material

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Copyright information

© Indian Academy of Sciences 2014

Authors and Affiliations

    • 1
    Email author
    • 2
    • 3
    • 1
  1. 1.Centre for Ecological SciencesIndian Institute of ScienceBangaloreIndia
  2. 2.Department of PsychologyUniversity of MysoreMysoreIndia
  3. 3.Evolutionary and Organismal Biology UnitJawaharlal Nehru Centre for Advanced Scientific ResearchBangaloreIndia

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