The small and inconspicuous majority: Revealing the megadiversity and historical biogeography of the Pristimantis unistrigatus species group (Anura, Strabomantidae)

Mônico, Alexander Tamanini; Koch, Esteban Diego; Ferrão, Miquéias; Fernandes, Igor Yuri; Marques, Giselle Moura Guimarães; Chaparro, Juan Carlos; Rodrigues, Miguel Trefaut; Lima, Albertina Pimentel; Fouquet, Antoine

doi:10.1016/j.ympev.2024.108203

Molecular Phylogenetics and Evolution

2024

DOI: 10.1016/j.ympev.2024.108203

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The small and inconspicuous majority: Revealing the megadiversity and historical biogeography of the Pristimantis unistrigatus species group (Anura, Strabomantidae)

Alexander Tamanini Mônico,

Esteban Diego Koch,

Miquéias Ferrão

et al.

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2024

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DNA sequencing of topotypes helps delineate species distributions in the Ischnocnema verrucosa complex (Anura, Brachycephalidae)

Santana,

Lacerda,

Carvalho

et al. 2024

ZSE

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As many new evolutionary lineages are being discovered and formally named, sequencing topotypes when holotypes are not available becomes essential for taxonomy. This study uses a DNA-taxonomy approach to sequence new populations of the Ischnocnema verrucosa species complex (Brazilian Wart Frogs) from different locations, including, for the first time, individuals from the type localities. Phylogenetic analysis of the mitochondrial 16S gene recovered a monophyletic Ischnocnema verrucosa species series composed of three main clades. The most recent common ancestor was estimated to be 33.76 million years ago, and diversification within the three main clades occurred primarily during the Miocene. We delimited eight species-level lineages with high levels of sequence divergence (7% to 16%). Our study highlights the importance of DNA taxonomy and the necessity of protecting and sequencing topotypes in taxonomic studies. Our study also contributes to the conservation and understanding of the genus Ischnocnema and the biodiversity of the Brazilian Atlantic Forest region.

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DNA sequencing of topotypes helps delineate species distributions in the Ischnocnema verrucosa complex (Anura, Brachycephalidae)

Santana,

Lacerda,

Carvalho

et al. 2024

ZSE

View full text Add to dashboard Cite

show abstract

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The small and inconspicuous majority: Revealing the megadiversity and historical biogeography of the Pristimantis unistrigatus species group (Anura, Strabomantidae)

Cited by 1 publication

References 129 publications

DNA sequencing of topotypes helps delineate species distributions in the Ischnocnema verrucosa complex (Anura, Brachycephalidae)

DNA sequencing of topotypes helps delineate species distributions in the Ischnocnema verrucosa complex (Anura, Brachycephalidae)

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