caa a22 4500 445326166 CHVBK 20180317142721.0 cr unu---uuuuu 170323e20111201xx s 000 0 eng 10.1007/s10914-011-9164-z doi (NATIONALLICENCE)springer-10.1007/s10914-011-9164-z New Middle Miocene Caviomorph Rodents from Quebrada Honda, Bolivia [Elektronische Daten] [Darin Croft, Jennifer Chick, Federico Anaya] The rodents of the middle Miocene fauna of Quebrada Honda Bolivia are described. The most abundant rodent is the chinchillid Prolagostomus sp. More precise identification of this species will require revision of early to middle Miocene lagostomines, taking into account variation in modern populations. The next most common rodents are the tiny octodontoid Acarechimys, sp. nov.?, and the caviid Guiomys unica. The Acarechimys species may be unique to Quebrada Honda, but verification awaits revision of this geographically and temporally widespread genus. Guiomys unica is a recently described species otherwise known only from two Patagonian localities, El Petiso and Río Chico. Two rodents are unique to Quebrada Honda. Mesoprocta hypsodus, gen. et sp. nov., is a dasyproctid distinguished by its very hypsodont, cement-covered cheek teeth. Quebradahondomys potosiensis, gen. et sp. nov., is an adelphomyine echimyid distinguished by the less oblique lophids of its trilophodont cheek teeth, among other features. The rodents of Quebrada Honda are more similar to those of Patagonia than those of northern South America, paralleling patterns seen in other mammal groups from this fauna. Springer Science+Business Media, LLC, 2011 Endemism nationallicence Laventan nationallicence Neogene nationallicence Neotropics nationallicence Provinciality nationallicence Rodentia nationallicence South America nationallicence Croft Darin Department of Anatomy, Case Western Reserve University School of Medicine, 10900 Euclid Ave., 44106-4930, Cleveland, OH, USA aut Chick Jennifer Department of Biology, Case Western Reserve University, 10900 Euclid Ave., 44106, Cleveland, OH, USA aut Anaya Federico Facultad de Ingeniería Geológica, Universidad Autónoma Tomás Frías, Av. Del Maestro s/n, Potosí, Bolivia aut Journal of Mammalian Evolution Springer US; http://www.springer-ny.com 18/4(2011-12-01), 245-268 1064-7554 18:4<245 2011 18 10914 https://doi.org/10.1007/s10914-011-9164-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10914-011-9164-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Croft Darin Department of Anatomy, Case Western Reserve University School of Medicine, 10900 Euclid Ave., 44106-4930, Cleveland, OH, USA aut NATIONALLICENCE 700 1- Chick Jennifer Department of Biology, Case Western Reserve University, 10900 Euclid Ave., 44106, Cleveland, OH, USA aut NATIONALLICENCE 700 1- Anaya Federico Facultad de Ingeniería Geológica, Universidad Autónoma Tomás Frías, Av. Del Maestro s/n, Potosí, Bolivia aut NATIONALLICENCE 773 0- Journal of Mammalian Evolution Springer US; http://www.springer-ny.com 18/4(2011-12-01), 245-268 1064-7554 18:4<245 2011 18 10914 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer