Systematic Revision of the Rare Bromeligenous Genus Crossodactylodes Cochran 1938 (Anura: Leptodactylidae: Paratelmatobiinae)

IF 1.1 2区 生物学 Q3 ZOOLOGY Herpetological Monographs Pub Date : 2020-05-20 DOI:10.1655/HERPMONOGRAPHS-D-19-00008.1
M. T. T. Santos, R. F. Magalhães, Rodrigo B. Ferreira, S. E. Vittorazzi, I. R. Dias, F. Leite, L. Lourenço, F. R. Santos, C. Haddad, P. Garcia
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引用次数: 6

Abstract

Abstract: Crossodactylodes is a poorly known genus of small-sized bromeligenous frogs, endemic to Brazil. They have a patchy distribution across the mountains of the Atlantic Forest and the “campo rupestre” ecosystem. To better resolve their evolutionary relationships, we performed phylogenetic analyses using a multigene DNA matrix and representative sampling within the genus. We then evaluated the evolution of phenotypical and natural history traits with the inferred phylogeny. We recovered Crossodactylodes as monophyletic, diagnosed by seven putative synapomorphies in morphological and natural history characters. Evidence supports some morphological synapomorphies as adaptations to the bromeligenous habit. We found high genetic distances among closely distributed lineages within C. bokermanni and C. izecksohni. Some of these lineages might represent undescribed cryptic species. We provide detailed accounts for each species including data on their geographic range, conservation, and natural history. All species of Crossodactylodes occur in highly threatened environments, are restricted to very small geographic ranges, and probably have limited dispersal capacity due to their small body size and dependence on bromeliads. These factors emphasize the need for habitat protection to safeguard species viability.
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珍稀凤尾属Crossodactylodes Cochran 1938的系统修订(无尾目:细趾蝗科:副足蝗科)
摘要:Crossodactylodes是一个鲜为人知的小型溴源蛙属,为巴西特有种。它们分布在大西洋森林的山脉和“campo-rupestre”生态系统中。为了更好地解决它们的进化关系,我们使用多基因DNA矩阵和属内的代表性采样进行了系统发育分析。然后,我们用推断的系统发育来评估表型和自然历史特征的进化。我们恢复了单系的Crossodactylodes,通过形态学和自然史特征中的七种假定的突触形态进行了诊断。有证据支持一些形态上的突触形态是对溴产生习惯的适应。我们发现,在博克曼尼和伊泽克索尼的紧密分布谱系之间存在很高的遗传距离。这些谱系中的一些可能代表了未描述的神秘物种。我们提供每个物种的详细说明,包括它们的地理范围、保护和自然历史数据。所有种类的Crossodactylodes都出现在高度受威胁的环境中,被限制在非常小的地理范围内,并且可能由于它们的体型较小和对凤梨的依赖而传播能力有限。这些因素强调了保护栖息地以保障物种生存能力的必要性。
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来源期刊
Herpetological Monographs
Herpetological Monographs 生物-动物学
CiteScore
5.40
自引率
0.00%
发文量
2
审稿时长
>12 weeks
期刊介绍: Since 1982, Herpetological Monographs has been dedicated to original research about the biology, diversity, systematics and evolution of amphibians and reptiles. Herpetological Monographs is published annually as a supplement to Herpetologica and contains long research papers, manuscripts and special symposia that synthesize the latest scientific discoveries.
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