Opisthodactylus is an extinct genus of rhea from the Early to Middle Miocene Santa Cruz and Chichinales Formations and the Late Miocene (Montehermosan) Andalhuala Formation of Argentina. Three species are described: the type species, O. patagonicus, O. kirchneri and O. horacioperezi. The species O. kirchneri was described in 2017 by Noriega et al.[1] Fossils of O. horacioperezi were found together with fossils of Patagorhacos terrificus.[2]
Opisthodactylus | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Aves |
Infraclass: | Palaeognathae |
Order: | Rheiformes |
Family: | Rheidae |
Genus: | †Opisthodactylus Ameghino 1891 |
Species | |
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References
edit- ^ Opisthodactylus at Fossilworks.org
- ^ Federico L. Agnolin and Pablo Chafrat (2015). "New fossil bird remains from the Chichinales Formation (Early Miocene) of northern Patagonia, Argentina". Annales de Paléontologie. 101 (2): 87–94. Bibcode:2015AnPal.101...87A. doi:10.1016/j.annpal.2015.02.001.
Further reading
edit- The Origin and Evolution of Birds by Alan Feduccia