Nearctic Pleistocene ungulates from the Pampean region (Argentina) in the historical collections of Santiago Roth in Switzerland: an overview

Abstract Nearctic ungulates such as artiodactyls, perissodactyls, and proboscideans arrived in South America during the Great American Biotic Interchange. Among them are camelids, cervids, tayassuids, equids, tapirids gomphotherids. A historical collection of from Pleistocene deposits Pampean region Argentina is here studied described. The consists specimens collected by Santiago Roth nineteenth century brought to Europe, where they housed paleontological collections University Zurich Natural History Museum Geneva. taxa reported Notiomastodon platensis, Lama guanicoe , Hemiauchenia paradoxa Tayassu pecari Morenelaphus sp., Hippidion cf. H . principale Equus E neogeus other indeterminate gomphotherids, equids. exact stratigraphic position these fossils more than 130 years ago many cases uncertain. still relevant for taxonomic studies offering new insights into palaeobiogeography palaeobiology mammalian fauna Pleistocene.