Reigomys
In Depth Originally named as an extinct species of the extant genus Holochilus, Reigomys was a Pleistocene aged relative of modern day marsh rats that live in South America. Further Reading - A new species of Holochilus (Rodentia: Sigmodontinae) from the Middle Pleistocene of Bolivia and its phylogenetic significance (subscription required). - Journal of Vertebrate … Read more