Abstract
AbstractThe fossil record of treeshrews, hedgehogs, and other micromammals from the Lower Siwaliks of India is sparse. Here, we report on a new genus and species of fossil treeshrew, specimens of the hedgehogGalerix, and other micromammals from the middle Miocene (Lower Siwalik) deposits surrounding Ramnagar (Udhampur District, Jammu and Kashmir), at a fossil locality known as Dehari. The treeshrew from Dehari (Sivatupaia ramnagarensisn. gen. n. sp.) currently represents the oldest record of fossil tupaiids in the Siwaliks, extending their time range by ca. 2.5–4.0 Myr in the region. Dietary analyses suggest that the new tupaiid was likely adapted for a less mechanically challenging or more frugivorous diet compared to other extant and fossil tupaiids. The occurrence ofGalerixhas only been recently documented from the Indian Siwaliks and the Dehari specimens help establish the likely presence of a relatively large SiwalikGalerixspecies in the Ramnagar region. In addition to the new treeshrew and hedgehogs, new specimens of the rodentsKanisamys indicus,Sayimys sivalensis, and Murinae indet. from Dehari help confirm that age estimates for the Ramnagar region are equivalent to the Chinji Formation in Pakistan, most likely corresponding to the middle to upper part of the Chinji Formation.UUID:http://zoobank.org/56fb160c-2df8-4cd3-be91-af4dc02d0979
Published Version
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