关于上普鲁斯河两种 Rhipidomys Tschudi, 1845（啮齿目：Sigmodontinae）核型和分布的新发现

IF 0.8 4区生物学 Q3 ZOOLOGY

Mammalia Pub Date : 2024-07-02 DOI:10.1515/mammalia-2024-0028

Rayque de Oliveira Lanes, Carolina Pires, Bernardo R. Teixeira, Cibele R. Bonvicino

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引用次数: 0

摘要

Rhipidomys是Sigmodontinae的一个属，在亚马逊河流域西部具有丰富的多样性，包括Rhipidomys gardneri和Rhipidomys leucodactylus。这两个物种的二倍体数目相同，都是 44，但是，R. leucodactylus 和 R. gardneri 分别有两个基本数目。描述了 R. leucodactylus 的新核型，其二倍体和基数与其他 Rhipidomys 物种相同。数据证实了R. leucodactylus的三个核型，而R. gardneri只有一个核型，证实了R. leucodactylus在巴西阿克里州的存在，并将R. gardneri的分布范围扩大到了阿克里州的Manoel Urbano，表明这两个物种都出现在高普鲁斯河流域。

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New findings on the karyotype and distribution of two Rhipidomys Tschudi, 1845 species (Rodentia: Sigmodontinae) from Upper Purus River

Rhipidomys is a Sigmodontinae genus with a great diversity in western Amazonia, including Rhipidomys gardneri and Rhipidomys leucodactylus. These species shared the same diploid number of 44, however, two fundamental numbers were attributed to R. leucodactylus and one to R. gardneri. A new karyotype for R. leucodactylus is described, with a diploid and fundamental number shared by other Rhipidomys species. Data confirmed three karyotypes for R. leucodactylus, only one for R. gardneri, the presence of R. leucodactylus in the Brazilian state of Acre and extend the distribution of R. gardneri to Manoel Urbano, in Acre, showing both species occurring in the high Purus River basin.

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来源期刊

Mammalia 生物-动物学

CiteScore

2.20

自引率

10.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Mammalia is an international, multidisciplinary, bimonthly journal devoted to the inventory, analysis and interpretation of mammalian diversity. It publishes original results on all aspects of the systematics and biology of mammals with a strong focus on ecology, including biodiversity analyses, distribution habitats, diet, predator-prey relationships, competition, community analyses and conservation of mammals. The journal also accepts submissions on sub-fossil or recently extinct mammals.