The journal is devoted to the publication of research on mammals of the Neotropical region, the most diverse region of the world. The journal has been published without interruptions for 22,5 years. As of 2016, it is co-edited by both the Argentinean and Brazilian mammal societies. The journal is peer-reviewed and has an international panel of editors and associate editors. In 2015, the journal received 92 research manuscripts, of which 39 were accepted for publication. So far in 2016, we received 75 research manuscripts, of which 41 were rejected, 17 were accepted, 2 were withdrew from consideration, and 15 are pending.