The rodents from the Late Miocene Oreopithecus-bearing site of Fiume Santo (Sardinia, Italy)

Isaac Casanovas-Vilar, Jan A. van Dam, Luciano Trebini, Lorenzo Rook

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    16 Citations (Scopus)

    Abstract

    The locality of Fiume Santo (Sardinia, Italy) represents the westernmost extension of endemic Oreopithecus-bearing faunas. Here we describe the rodent fauna recovered at this site, which only includes the murids Huerzelerimys oreopitheci and Anthracomys lorenzi, and the glirids Anthracoglis engesseri nov. sp. and Anthracoglis nov. sp. I. A. engesseri nov. sp. differs from Anthracoglis marinoi, the other species of this genus known so far, by its larger size, wider upper cheek teeth and more reduced accessory ridges, particularly in the upper cheek teeth. Anthracoglis nov. sp. I is only known by a single tooth and cannot be adequately characterized. The fauna seems to be a mixture of elements from the V-1, V-2 and V-3 local zones of the Baccinello-Cinigiano basin (Tuscany, Italy), with H. oreopitheci being characteristic from zone V-1 and Anthracoglis lorenzi from zone V-3. Nevertheless, a few remains of A. lorenzi have been also recovered from V-2 assemblages at Baccinello and A. engesseri nov. sp. is also recorded in Monte Bamboli, which is correlated to V-2 faunas. Accordingly, a correlation to V-2 zone of the Baccinello-Cinigiano basin is preferred. Finally, the structure and composition of the rodent assemblage is compared to those of the Tuscan sites. The Fiume Santo assemblage resembles the insular faunas of Tuscany by its low species richness, although it is more balanced. This may be related to slight chronological or environmental differences between the two areas or to the existence of a geographical barrier. © 2011 Elsevier Masson SAS.
    Original languageEnglish
    Pages (from-to)173-187
    JournalGeobios
    Volume44
    Issue number2-3
    DOIs
    Publication statusPublished - 1 Mar 2011

    Keywords

    • Gliridae
    • Hominoidea
    • Insular faunas
    • Late Miocene
    • Muridae
    • New species
    • Small mammals

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