Opisthodactylus
In Depth Opisthodactylus is an extinct genus of rhea (a type of flightless bird similar to an emu) that lived in South America during the Miocene. Further Reading - New fossil bird remains from the Chichinales Formation (Early Miocene) of northern Patagonia, Argentina. - Annales de Pal�ontologie. - Federico L. Agnolin & Pablo Chafrat - … Read more