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Diamond frogs forever: a new species of Rhombophryne Boettger, 1880 (Microhylidae, Cophylinae) from Montagne d’Ambre National Park, northern Madagascar
Zoosystematics and Evolution ( IF 2 ) Pub Date : 2020-06-15 , DOI: 10.3897/zse.96.51372
Mark D. Scherz

Although taxonomic progress on the frogs of Madagascar is currently proceeding at an unprecedented pace, the goal of completing the amphibian inventory of this hyper-diverse island is still far off. In part this is because more new species continue to be discovered at a high rate, in some cases within well-studied areas. Here, I describe Rhombophryne ellae sp. nov., a new species of diamond frog discovered in Montagne d’Ambre National Park in northern Madagascar in 2017. This new species is highly distinctive in having orange flash-markings on its hindlimbs (not known from any described species of Rhombophryne), and large, black inguinal spots (larger than in all other described Rhombophryne species). It is separated from all named species of Rhombophryne by a substantial uncorrected pairwise distance in the 16S rRNA mitochondrial barcode marker (> 7%) and is most closely related to an undescribed candidate species from Tsaratanana in northern Madagascar. Rhombophryne ellae sp. nov. adds another taxon to the growing list of cophyline microhylids that have red to orange flash-markings, the function of which remains unknown and which has clearly evolved repeatedly in this radiation. The discovery of such a distinctive species within a comparatively well-studied park points toward the low detectability of semi-fossorial frogs and the role of inclement weather in increasing that detectability.

中文翻译:

永远的钻石蛙:1880 年来自马达加斯加北部 Montagne d'Ambre 国家公园的 Rhombophryne Boettger 新种(Microhylidae,Cophylinae)

尽管马达加斯加青蛙的分类学进展目前正以前所未有的速度进行,但完成这个高度多样化岛屿两栖动物清单的目标仍然遥遥无期。部分原因是因为在某些情况下,在经过充分研究的区域内,继续以高速度发现更多新物种。在这里,我描述了 Rhombophryne ellae sp。11 月,2017 年在马达加斯加北部的 Montagne d'Ambre 国家公园发现了一种新的钻石蛙。这个新物种的后肢具有橙色闪光标记,非常独特(在任何描述的菱形蛙种中都不知道)大的黑色腹股沟斑点(比所有其他描述的菱形物种都要大)。它通过 16S rRNA 线粒体条形码标记中的大量未校正成对距离 (> 7%) 与菱形的所有命名物种分开,并且与来自马达加斯加北部 Tsaratanana 的未描述候选物种最密切相关。Rhombophryne ellae sp. 十一月 将另一个分类群添加到越来越多的具有红色到橙色闪光标记的 cophyline microhylids 列表中,其功能仍然未知,并且在这种辐射中明显反复进化。在研究相对充分的公园内发现了这样一个独特的物种,这表明半古蛙的可探测性较低,以及恶劣天气在增加这种可探测性方面的作用。将另一个分类群添加到越来越多的具有红色到橙色闪光标记的 cophyline microhylids 列表中,其功能仍然未知,并且在这种辐射中明显反复进化。在一个研究相对充分的公园内发现了这样一个独特的物种,这表明半古蛙的可探测性较低,以及恶劣天气在增加这种可探测性方面的作用。将另一个分类群添加到越来越多的具有红色到橙色闪光标记的 cophyline microhylids 列表中,其功能仍然未知,并且在这种辐射中明显反复进化。在一个研究相对充分的公园内发现了这样一个独特的物种,这表明半古蛙的可探测性较低,以及恶劣天气在增加这种可探测性方面的作用。
更新日期:2020-06-15
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