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Cariamae
Temporal range: Late Cretaceous - Recent, 65–0 Ma
Cariama cristata
Cariama cristata
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Infraclass: Neognathae
Order: Cariamiformes
Fürbringer, 1888
Families

Cariamidae
Phorusrhacidae
Bathornithidae
Idiornithidae
Ameghinornithidae[1]

Cariamiformes is an order of primarily flightless birds that have been around for 63 million years. The group includes the families Cariamidae, Phorusrhacidae, Bathornithidae, Idiornithidae and Ameghinornithidae. Though traditionally considered as a suborder of the Gruiformes, based on both morphological and genetic studies[2] they may belong to a separate group of birds whose other living members would be the Falconidae, the Psittaciformes and the Passeriformes.[3]

The earliest known fossil belonging to this group is an isolated femur from the Cape Lamb Member of the Lopez de Bertodano Formation, Vega Island, Antarctica. This specimen, which dates to the late Cretaceous period about 65 million years ago, is identical to the femurs of modern seriemas, and belonged to a large bird about 1 metre (3.3 ft) tall. Because of its age and geographic location, this unnamed species may have been close to the ancestry of both cariamids and phorusrhacids.[4]

References

  1. ^ Mayr, G. 2005. "Old World phorusrhacids" (Aves, Phorusrhacidae): a new look at Strigogyps ("Aenigmavis") sapea (Peters 1987). PaleoBios
  2. ^ Hackett, Shannon J.; et al. (2008-06-27). "A Phylogenomic Study of Birds Reveals Their Evolutionary History". Science. 320 (5884): 1763–1768. PMID 18583609. doi:10.1126/science.1157704. Retrieved 2008-10-18.  Cite uses deprecated parameter |coauthors= (help)
  3. ^ http://darrennaish.blogspot.com/search/label/phorusrhacids
  4. ^ Case, J.; Reguero, M.; Martin, J.; Cordes-Person, A. (2006). "A cursorial bird from the Maastrictian of Antarctica". Journal of Vertebrate Paleontology. 26 (3): 48A. 


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