A review on the cytogenetics of the tribe Oryzomyini (Rodentia: Cricetidae: Sigmodontinae), with the description of new karyotypes Author Moreira, Camila Do Nascimento Author Ventura, Karen Author Percequillo, Alexandre Reis 0000-0001-9490-5457 cmoreirabio@gmail.com Author Yonenaga-Yassuda, Yatiyo text Zootaxa 2020 2020-11-06 4876 1 1 111 journal article 7983 10.11646/zootaxa.4876.1.1 4ee8b608-7c73-4980-9e86-3e3719e91c7f 1175-5326 4423612 190EC586-E14B-4AEF-A5EF-3DA401656159 Oryzomys Baird 1857 The genus Oryzomys , that until recently was the most speciose of the tribe Oryzomyini , now comprises five species, O. antillarum (Thomas 1898) , O. couesi (Alston 1877) , O. dimidiatus (Thomas 1905) , O. gorgasi (Hershkovitz 1971) , and O. palustris (Harlan 1837) . These species range from North and Central America to northwestern South America ( Percequillo 2015f ; Voss & Weksler 2009 ; Weksler et al . 2006 ). There was cytogenetic information available only for O. couesi and O. palustris .