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Cryptic diversity and ancient diversification in the northern Atlantic Forest Pristimantis (Amphibia, Anura, Craugastoridae).
Molecular Phylogenetics and Evolution ( IF 3.6 ) Pub Date : 2020-04-04 , DOI: 10.1016/j.ympev.2020.106811
Camila Costa Trevisan 1 , Henrique Batalha-Filho 2 , Adrian Antonio Garda 3 , Lucas Menezes 1 , Iuri Ribeiro Dias 4 , Mirco Solé 4 , Clarissa Canedo 5 , Flora Acuña Juncá 6 , Marcelo Felgueiras Napoli 2
Affiliation  

The Neotropical region is known both for its megadiverse fauna and for the significant deficiency of our knowledge on species limits. The Amazon and Atlantic Forest are the two most diverse and large rainforests in South America, and they harbor many groups of sister species and sister genera. The frog genus Pristimantis is the most speciose genus of terrestrial vertebrates with 546 species, but only three of them occur in the Atlantic forest. Herein, we investigate the diversification history and phylogenetic relationship among the Atlantic Forest Pristimantis lineages in a spatial-temporal framework, using mitochondrial and nuclear genes. Our results reveal a remarkable hidden diversity, with nine highly structure lineages that may correspond to undescribed species, with many cases of sympatry among these divergent lineages. Atlantic forest Pristimantis form a monophyletic group that started to diversify over 40 million years ago. This ancient group shows diversification events that remount the early bursts of the Atlantic Forest diversification history, as well as lineage diversification likely resulting from recent Pleistocene climatic fluctuations. Future work must concentrate in comparing these lineages under an integrative framework including morphology, advertisement calls and other ecology traits to confidently delimit species of Pristimantis in the Atlantic Forest.

中文翻译:

北部大西洋森林Pristimantis(两栖,阿努拉,Craugastoridae)的隐性多样性和古代多样性。

新热带地区以其大型生物区系和我们对物种限制的认识的严重不足而闻名。亚马逊森林和大西洋森林是南美最多样化和最大的两种雨林,它们拥有许多姐妹物种和姐妹属。青蛙属Pristimantis是陆地脊椎动物中最特殊的属,有546种,但其中只有三种发生在大西洋森林中。在这里,我们使用线粒体和核基因,在时空框架内研究大西洋森林Pristimantis谱系之间的多样化历史和系统发育关系。我们的结果揭示了一个显着的隐藏多样性,其中九个高度结构的谱系可能与未描述的物种相对应,这些不同谱系之间有许多共生的情况。大西洋森林Pristimantis构成了一个单一的物种群体,在4000万年前就开始多元化。这个古老的群体显示出重新发生大西洋森林多样化历史早期爆发的多样化事件,以及可能由于最近的更新世气候波动而导致的宗族多样化。未来的工作必须集中在一个综合框架下比较这些谱系,包括形态,广告宣传和其他生态特征,以自信地划定大西洋森林中的Pristimantis物种。以及最近的更新世气候波动可能导致的宗族多样化。未来的工作必须集中在一个综合框架下比较这些谱系,包括形态,广告宣传和其他生态特征,以自信地划定大西洋森林中的Pristimantis物种。以及最近的更新世气候波动可能导致的宗族多样化。未来的工作必须集中在一个综合框架下比较这些谱系,包括形态,广告宣传和其他生态特征,以自信地划定大西洋森林中的Pristimantis物种。
更新日期:2020-04-06
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