Position of the ammodile and the origin of Gerbillinae(Rodentia): Out of the Horn of Africa?

Kostin, D.S.; Martynov, A.A.; Lebedev, V.S.; Zemlemerova, E.D.; Gromov, A.R.; Lavrenchenko, L.A.

Авторы: Kostin Danila S., Martynov Aleksey A., Lebedev Vladimir S., Zemlemerova Elena D., Gromov Anton R., Lavrenchenko Leonid A.
Журнал: Zoologica Scripta
Том: 51
Номер: 5
Год издания: 2022
Издательство: Blackwell Publishing Inc.
Местоположение издательства: United Kingdom
Первая страница: 522
Последняя страница: 532
DOI: 10.1111/zsc.12553
Аннотация: Gerbillinae is the second largest subfamily (after Murinae) in the Muridae familycomprising ~16 genera and more than a hundred species. Phylogenetic relationshipsamong the main taxa of gerbils are still not fully understood. In particular,a major issue is the phylogenetic position of the monotypic genus Ammodillus(endemic to the Horn of Africa), which according to morphological data may beone of the earliest offshoots from the gerbilline stem; however, its precise affiliationshave been unknown due to the lack of genetic data. Here, by means of amultilocus dataset including one mitochondrial and five nuclear markers, we forthe first time elucidated phylogenetic placement of Ammodillus and provided themost complete tribal phylogeny of Gerbillinae to date. Phylogenetic reconstructionsrobustly supported Ammodillus as a sister taxon to all other living gerbillinesand suggested that the separation of the ammodile lineage dates back tothe Middle/Late Miocene boundary (~11.7 Mya). The results are consistent withsubdivision of the subfamily into four tribes: monotypic Ammodillini, Gerbillini(including Taterillus), Desmodilliscini (including Pachyuromys) and Gerbillurini.In the light of the new data, we discuss possible scenarios of Gerbillinae origin,highlight Ammodillus as a relatively ancient—albeitmorphologically advanced—lineagethat has never gained diversity and propose the term ‘ancient singleton’for a taxon with a persistently low diversification rate.
Добавил в систему: Лебедев Владимир Святославович

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Position of the ammodile and the origin of Gerbillinae(Rodentia): Out of the Horn of Africa?статья

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