巴西亚马逊西南部一种新的淡腹乳蛙（蛙科：Allobates）

IF 2.4 2区生物学 Q1 ZOOLOGY

Vertebrate Zoology Pub Date : 2023-07-21 DOI:10.3897/vz.73.e103534

Jesus R. D. Souza, Miquéias Ferrão, I. L. Kaefer, A. S. Cunha-Machado, P. Melo-Sampaio, J. Hanken, A. Lima

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引用次数: 0

摘要

摘要我们采用综合分类学方法，正式描述了巴西亚马逊西南部异尾蛙属哺乳蛙的一个候选种。该新物种栖息在一个历史上被定义为a.gasconi的分支中，但在16S的遗传距离内，它与a.gascony模式所在地的样本有8.8-11.0%的遗传距离。新物种与同类物种的区别主要在于雄性有半透明的白色喉咙和声带；持续时间为42–60毫秒的广告呼叫，两个音符间隔为8–23毫秒，主频为4953–6331赫兹；以及异养蝌蚪，上唇两端各有2个锥体乳头，下唇周围有10-13个锥体和圆柱形乳头。基于线粒体DNA的系统发育分析表明，先前定义的A.gasconi senso-lato代表了多达七个物种的复合体，这证实了研究表明同种动物体内具有高度的隐蔽多样性。

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A new pale-ventered nurse frog (Aromobatidae: Allobates) from southwestern Brazilian Amazonia

Abstract We use integrative taxonomy to formally describe a candidate species of nurse frog of the genus Allobates from southwestern Brazilian Amazonia. The new species nests within a clade that has been defined historically as A. gasconi, but it has an 8.8–11.0% genetic distance for 16S to samples from the type locality of A. gasconi. The new species differs from congeners mainly by males having a translucent white throat and vocal sac; advertisement calls with a duration of 42–60 ms, two notes separated by an inter-note interval of 8–23 ms, and a dominant frequency of 4,953–6,331 Hz; and exotrophic tadpoles with 2 pyramidal papillae on each end of the upper lip and 10–13 pyramidal and cylindrical papillae surrounding the lower lip. Phylogenetic analyses based on mitochondrial DNA suggest that A. gasconi sensu lato as defined previously represents a complex of as many as seven species, corroborating studies that have shown high levels of cryptic diversity within Allobates.

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来源期刊

Vertebrate Zoology ZOOLOGY-

CiteScore

4.00

自引率

19.00%

发文量

审稿时长

>12 weeks

期刊介绍： Research fields covered by VERTEBRATE ZOOLOGY are ta‍xo‍no‍my, mor‍pho‍logy, an‍at‍omy, phy‍lo‍ge‍ny (mo‍le‍cu‍lar and mor‍pho‍lo‍gy-based), hi‍sto‍ri‍cal bio‍geo‍gra‍phy, and pa‍lae‍on‍to‍lo‍gy of ver‍te‍bra‍tes.