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6 June 2019 Trinomys yonenagae (Rodentia: Echimyidae)
Lilian Cristina Luchesi, Lais Mendes Ruiz Cantano, Juliana Toshie Takata, Patricia Ferreira Monticelli
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Abstract

Trinomys yonenagae (Rocha, 1995), Yonenaga's Atlantic spiny-rat, is a small caviomorph rodent locally known as “rabo-de-facho” (Portuguese) due to its setiform hairs and long penciled tail. It is endemic to the sand dune field of the arid Brazilian Caatinga, on the west side of the Middle São Francisco River, from Barra to Pilão Arcado (Bahia, Brazil). The long hind feet, the fossorial and colonial habits, and the inflated tympanic bullae are cited as adaptations to the hot and sandy habitat. One of 10 species in the genus, it is listed as “Endangered” by the International Union for Conservation of Nature and Natural Resources because it is found only at a single location of less than 5,000 km2 and its habitat continues to decline due to the extraction of sand.

© The Author(s) 2019. Published by Oxford University Press on behalf of American Society of Mammalogists. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com
Lilian Cristina Luchesi, Lais Mendes Ruiz Cantano, Juliana Toshie Takata, and Patricia Ferreira Monticelli "Trinomys yonenagae (Rodentia: Echimyidae)," Mammalian Species 51(971), 1-10, (6 June 2019). https://doi.org/10.1093/mspecies/sez001
Accepted: 1 December 2018; Published: 6 June 2019
KEYWORDS
Atlantic spiny-rat
Brazil
caviomorph rodent
Fossorial
South American rodent
torch-tail rat
Yonenaga's Atlantic spiny-rat
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