This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
J. I. Noriega, 2017 - A New Species of Opisthodactylus Ameghino, 1891 (Aves, Rheidae), from the Late Miocene of Northwestern Argentina, with Implications for the Paleobiogeography and Phylogeny of Rheas - Journal of Vertebrate Paleontology (37), e1278- (journal article, English)
J. F. Clements, 2017 - - The eBird/Clements checklist of birds of the world: v2017 (), - (book, English)
C. M. Deschamps, 2016 - Late Cenozoic vertebrates from the Southern Pampean region: systematic and bio-chronostratigraphic update - Palinología del Meso-Cenozoico de Argentina - Volumen en homenaje a Mirta Elena Quattrocchio (16), 202-225 (book chapter, English)
F. L. Agnolin, 2015 - New fossil bird remains from the Chichinales Formation (Early Miocene) of northern Patagonia, Argentina - Annales de Paléontologie (101), 87-94 (journal article, English)
J. del Hoyo, 2014 - HBW and BirdLife International Illustrated Checklist of the Birds of the World. Volume 1: Non-passerines - (), 1-904 (book, English)