DEAR EDITOR,We describe a new species of the genus Kurixalus, Kurixalus raoi sp. nov., from Guizhou Province, China, based on morphological and molecular evidence. Phylogenetically, the new species is sister to K. idi...DEAR EDITOR,We describe a new species of the genus Kurixalus, Kurixalus raoi sp. nov., from Guizhou Province, China, based on morphological and molecular evidence. Phylogenetically, the new species is sister to K. idiootocus, but is distinguishable from all known congeners by a combination of the following characters: small body size(snout-vent length 28.2-32.2 mm in males;38.6 mm in female);snout rounded.展开更多
The origin and colonization history of Kurixalus,a genus of small arboreal tree frogs breeding exclusively in shallow swamps,is under disputed.On the basis of comprehensive sampling program,the evolutionary history of...The origin and colonization history of Kurixalus,a genus of small arboreal tree frogs breeding exclusively in shallow swamps,is under disputed.On the basis of comprehensive sampling program,the evolutionary history of Kurixalus is investigated based on 3 mitochondrial genes.Our results indicate that the genus Kurixalus originated in the Asian mainland and subsequently arrived at its current distribution in Borneo,Taiwan,Ryukyu,and Hainan islands by a series of dispersal events.Moreover,the colonization of Taiwan from mainland Asia has occurred 2 times.The initial colonization of Taiwan occurred at 3.46-8.68 Mya(95%highest posterior density),which rejects the hypothesis that Kurixalus probably originated from Taiwan during the early Oligocene and favors the model of Neogene-origin rather than the model of Quaternary-origin for Taiwan Residents Kurixalus.Kurixalus eiffingeri has dispersed from Taiwan to the Ryukyus once or 2 times pending more data.Both transoceanic dispersal and landbridge dispersal have played a role in the colonization process;the former resulted in the colonization of Taiwan and the Ryukyus and the latter led to the colonizati on of Bor neo and Hain an.展开更多
基金supported by the National Natural Science Foundation of China (No. 32060114)Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection (Guangxi Normal University)+2 种基金Ministry of Education(ERESEP2020Z22)Guangxi Key Laboratory of Rare and Endangered Animal EcologyGuangxi Normal University (18-A-01-08and 19-A-01-06)。
文摘DEAR EDITOR,We describe a new species of the genus Kurixalus, Kurixalus raoi sp. nov., from Guizhou Province, China, based on morphological and molecular evidence. Phylogenetically, the new species is sister to K. idiootocus, but is distinguishable from all known congeners by a combination of the following characters: small body size(snout-vent length 28.2-32.2 mm in males;38.6 mm in female);snout rounded.
基金This work was supported by the National Natural Science Foundation of China(31301870 and 31872212)Guangxi Key Laboratory of Rare and Endangered Animal Ecology,Guangxi Normal University(19-A-01-06)+1 种基金Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi Normal University),Ministry of Eduction,China(ERESEP2020Z22)Natural Science Foundation of Yunnan Province(2015FB176).
文摘The origin and colonization history of Kurixalus,a genus of small arboreal tree frogs breeding exclusively in shallow swamps,is under disputed.On the basis of comprehensive sampling program,the evolutionary history of Kurixalus is investigated based on 3 mitochondrial genes.Our results indicate that the genus Kurixalus originated in the Asian mainland and subsequently arrived at its current distribution in Borneo,Taiwan,Ryukyu,and Hainan islands by a series of dispersal events.Moreover,the colonization of Taiwan from mainland Asia has occurred 2 times.The initial colonization of Taiwan occurred at 3.46-8.68 Mya(95%highest posterior density),which rejects the hypothesis that Kurixalus probably originated from Taiwan during the early Oligocene and favors the model of Neogene-origin rather than the model of Quaternary-origin for Taiwan Residents Kurixalus.Kurixalus eiffingeri has dispersed from Taiwan to the Ryukyus once or 2 times pending more data.Both transoceanic dispersal and landbridge dispersal have played a role in the colonization process;the former resulted in the colonization of Taiwan and the Ryukyus and the latter led to the colonizati on of Bor neo and Hain an.
