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Amplibuteo concordatus; Temporal range: 2.58800 - 0.78100 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Accipitriformes
Family:	Accipitridae
Genus:	†Amplibuteo
Species:	†A. concordatus
Binomial name
	†Amplibuteo concordatus; Steven D. Emsile & Nicholas J. Czaplewski, 1999

Amplibuteo concordatus is an extinct species of bird of prey in the family Accipitridae. It is one of three species in the extinct genus Amplibuteo.^[1]

Discovery and naming

Discovery

Around 10 specimens of A. concordatus were found ranging from Florida to Arizona with being dated to the Late Pliocene.^[1]

Etymology

The scientific name concordatus refers to Latin word concordat which means a formal agreement, referencing the similarity of the Florida and Arizona localities.^[1]

Description

A.concordatus differs from other species in the genus by have a relatively large metacarpal with no proximal curvature, while also have a deep and narrow fossa inside the metacarpal.^[1] Its coracoid has relatively short and narrow coraco-humeral surface. Its scapholunar facet is also relatively short and narrow.^[1]

References

^ ^a ^b ^c ^d ^e Steven D. Emslie; Nicholas J. Czaplewski. "Two New Fossil Eagles from the Late Pliocene (Late Blancan) of Florida and Arizona and Their Biogeographic Implications". Smithsonian Contributions to Paleobiology. 89: 185–198 – via ResearchGate.

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[:0-1] Steven D. Emslie; Nicholas J. Czaplewski. "Two New Fossil Eagles from the Late Pliocene (Late Blancan) of Florida and Arizona and Their Biogeographic Implications". Smithsonian Contributions to Paleobiology. 89: 185–198 – via ResearchGate.

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