Polyphyly of Tomopterna (Amphibia: Ranidae) based on sequences of the mitochondrial 16S and 12S rRNA genes, and ecological biogeography of Malagasy relict amphibian groups

Vences, Miguel and Glaw, Frank and Kosuch, Joachim and Das, I. and Veith, Micheal (2000) Polyphyly of Tomopterna (Amphibia: Ranidae) based on sequences of the mitochondrial 16S and 12S rRNA genes, and ecological biogeography of Malagasy relict amphibian groups. In: Diversity and endemism in Madagascar. W.R . LOURENC O & S.M . GOODMA N . Memoires de Iα Societe de Biogeographie, Paris, pp. 229-242. ISBN 2-903700-04-4

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Frog s currentl y attribute d t o th e rani d genu s Tomopterna ar e know n from sub-sahara n Africa , souther n Asi a an d Madagascar . Molecula r studie s o f mitochondria l 12 S rRN A an d 16 S rRN A gen e sequence s indicat e tha t eac h o f thes e geographi c cluster s ar e mor e closel y relate d t o othe r locall y occurrin g anura n tax a tha n the y ar e t o eac h other . Th e Malagas y T. labrosa (hithert o subgenu s Laliostoma) belong s t o a monophyleti c grou p includin g Aglyptodactylus, Boophis, an d th e mantellines ; th e souther n Asia n specie s (hithert o subgenu s Sphaerotheca) appea r t o b e relate d t o ranid s o f th e genu s Limnonectes (subgenu s Feyervarya); an d mos t surprisingly , th e Africa n specie s clustere d wit h cacosternin e ranids . Thes e result s sugges t tha t th e Asia n Sphaerotheca an d th e Malagas y Laliostoma shoul d b e raise d t o generi c rank . A s a consequence , th e distributio n patter n o f Tomopterna ar e no t informativ e regardin g continenta l drif t an d biogeographi c Madagascar-Indi a relationships . Phylogeneti c dat a o n Malagas y anuran s indicat e tha t ol d evolutionar y lineage s an d relic t form s (e . g. , Laliostoma, Aglyptodactylus, Scaphiophryne) bree d mainl y i n lenti c waterbodies , an d ofte n occu r i n savanna h habitats . I n Boophis an d mantellines , evidenc e exist s tha t th e mos t basa l group s ar e rathe r generalize d pon d breeders , wherea s th e specios e group s o f fores t broo k breeder s ma y b e monophyleti c group s partl y o f mor e recen t origin . I f corroborate d b y furthe r evidence , thi s tren d woul d indicat e a n originall y relativel y dr y an d ope n habita t typ e i n Madagasca r a t th e tim e o f differentiatio n o f th e mai n lineage s o f Malagas y anurans , whic h ma y hav e take n plac e i n th e lat e Mesozoi c o r earl y Cenozoi

Item Type: Book Chapter
Uncontrolled Keywords: Anura, Ranidae, Raninae, Cacosterninae, Mantellinae, Rhacophorinae, Laliostoma, Sphaerotheca,Tomopterna, Molecular phylogeny, Madagascar,India, South Africa, Continental drift, Reproductive modes,unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: Q Science > QH Natural history > QH301 Biology
Q Science > QL Zoology
Divisions: Academic Faculties, Institutes and Centres > Institute of Biodiversity and Environmental Conservation
Depositing User: Karen Kornalius
Date Deposited: 25 Apr 2016 01:10
Last Modified: 25 Apr 2016 01:10
URI: http://ir.unimas.my/id/eprint/11546

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