“…Nematodes of this genus parasitize the lungs of domestic and wild dogs (Canis lupus familiaris) and cats (Felis catus) in most of the world (Bowman et al, 2002). However, in South America reports of this genus are scarce, it has been reported in domestic dogs from Chile (Alcaíno & Gorman, 1999;Muñoz et al, 2007), and in Chrysocyon brachyurus (Illiger, 1815) (Carnivora, Canidae) (Dias et al, 2012;Vieira et al, 2017) and in Puma yagouaroundi from Brazil (Corrêa et al, 2019), however, none of these studies made a taxonomic analysis of these nematodes. The current study is aimed to describe a new species of Oslerus parasitizing C. brachyurus from the state of Minas Gerais, Brazil.…”