最南端出现的 Cuniculus paca(啮齿目,Cuniculidae):基于凭证的阿根廷新地点

IF 0.8 4区 生物学 Q3 ZOOLOGY Mammalia Pub Date : 2024-07-17 DOI:10.1515/mammalia-2024-0035
Erika Cuellar Soto, Ernesto R. Krauczuk, Ulyses F.J. Pardiñas
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引用次数: 0

摘要

Cuniculus paca是现存第二大啮齿类动物,其最南端的记录有限。在这里,我们根据可能被当地猎人丢弃的头骨,介绍了四个新的记录地点,其中三个位于米西奥内斯省,第四个是在邻近的阿根廷科连特斯省首次得到支持的证据。至于后一个地点是否意味着这种啮齿动物因气候变化而向南部扩展,或者仅仅是一个被忽视的早已建立的种群,目前的数据还没有定论。无论如何,这些发现强调了加强实地考察和标本采集的重要性。
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Southernmost occurrence of Cuniculus paca (Rodentia, Cuniculidae): new Argentinean localities based on vouchers
Limited vouchered records exist for Cuniculus paca, the second-largest living caviomorph rodent, documenting its southernmost occurrence. Here, we introduce four new recording sites based on skulls probably discarded by local hunters, with three located in Misiones Province and the fourth marking the first supported evidence in the neighboring Corrientes Province in Argentina. The data remains inconclusive as to whether the latter location signifies a southern expansion of this rodent due to climate change or simply an overlooked population that has long been established. Regardless, these findings underscore the importance of increased fieldwork and specimen collection.
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来源期刊
Mammalia
Mammalia 生物-动物学
CiteScore
2.20
自引率
10.00%
发文量
68
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.
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