Name: Opisthodactylus.
Phonetic: O-pis-fo-dak-te-lus.
Named By: Ameghino‭ ‬-‭ ‬1891.
Classification: Chordata,‭ ‬Aves,‭ ‬Rheiformes,‭ ‬Rheidae.
Species: O.‭ ‬patagonicus‭ (‬type‭)‬,‭ ‬O.‭ ‬horacioperezi.
Diet: Omnivore‭?
Size: Unavailable.
Known locations: Argentina‭ ‬-‭ ‬Santa Cruz Formation.
Time period: Miocene.
Fossil representation: Partial remains.

       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 Paléontologie.‭ ‬-‭ ‬Federico L.‭ ‬Agnolin‭ & ‬Pablo Chafrat‭ ‬-‭ ‬2015.


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