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Type: Article
Published: 2008-04-28
Page range: 29–44
Abstract views: 61
PDF downloaded: 1

Rediscovery of Juliomys pictipes (Rodentia: Cricetidae) in Argentina: emended diagnosis, geographic distribution, and insights on genetic structure

Centro Nacional Patagónico, Casilla de Correo 128, 9120 Puerto Madryn, Chubut, Argentina
Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Avenida Intendente Cantilo s/n, Ciudad Universitaria, Pabellón II, 4º Piso, C1428EHA Buenos Aires, Argentina
Departamento de Zoología, Universidad de Concepción, Casilla 160-C, Concepción, Chile
Centro de Estudios de Parásitos y Vectores, Calle 2 nº 584, 1900 La Plata, Argentina
Mammalia Argentina Brazil Atlantic forest Sigmodontinae taxonomy


Juliomys pictipes, the type species of this sylvan cricetid genus, remains poorly known. In Argentina, country where the type locality is placed, it is only known from the holotype. Here we report the first new Argentinean individuals, after a gap of 80 years; the new specimens -three in totalinclude one topotype and allow adding two new recording localities for the species. In addition, we refined the geographical location of their type locality and described in detail several morphological traits of this peculiar mouse, producing an emended diagnosis of both the type species and the genus. Molecular data provided in this paper reinforce the identity of J. pictipes and the reference of the southern Brazilian populations of this genus to the type species.


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