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Title: A taxonomic study of Whitehead's torrent frog, Meristogenys whiteheadi, with descriptions of two new species (Amphibia: Ranidae)
Authors: SHIMADA, TOMOHIKO
MATSUI, MASAFUMI
YAMBUN, PAUL
SUDIN, AHMAD
Author's alias: 松井, 正文
Keywords: body size sexual dimorphism
Borneo
cryptic species
Meristogenys
Issue Date: 13-Jan-2011
Publisher: wiley
Journal title: Zoological Journal of the Linnean Society
Volume: 161
Issue: 1
Start page: 157
End page: 183
Abstract: The genus Meristogenys (Anura: Ranidae), endemic to Borneo, presents serious taxonomic problems despite being one of the commonest frogs in the mountainous regions of this island. We investigated molecular and morphological variations in Meristogenys whiteheadi (Boulenger, 1887) using larval and adult specimens from Sabah and Sarawak (Malaysia). We found three allopatric lineages in this species. We regard each of these as a distinct species because they are separated by a large genetic distance, and do not form any monophyletic group. Their morphological characters indicate that the distributional range of M. whiteheadi s.s. is divided into two disjunct areas: Mt Kinabalu (northern Sabah) and northern Sarawak. The two other lineages occupy ranges between those of M. whiteheadi, and represent undescribed cryptic species. One of these, Meristogenys stigmachilus sp. nov., collected from the northern part of the Crocker Range, is distinguished from M. whiteheadi by black spots on the upper lip and dark dots scattered on the back. A second undescribed species, Meristogenys stenocephalus sp. nov., was collected mainly from the southern part of the Crocker Range, and is characterized by the large body size of males and a relatively narrow head. Meristogenys stenocephalus sp. nov. also differs from M. stigmachilus sp. nov. and M. whiteheadi in larval morphology, but larvae of the latter two cannot be differentiated morphologically. We discuss relative tibia length, a diagnostic specific characteristic in the genus Meristogenys, and the relationships between body size and sexual size dimorphism in this genus.
Rights: This is the peer reviewed version of the following article: SHIMADA, T., MATSUI, M., YAMBUN, P. and SUDIN, A. (2011), A taxonomic study of Whitehead's torrent frog, Meristogenys whiteheadi, with descriptions of two new species (Amphibia: Ranidae). Zoological Journal of the Linnean Society, 161: 157–183, which has been published in final form at http://dx.doi.org/10.1111/j.1096-3642.2010.00641.x
This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
URI: http://hdl.handle.net/2433/197182
DOI(Published Version): 10.1111/j.1096-3642.2010.00641.x
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