Opisthocomidae

Opisthocomids; Temporal range: Late Eocene - Recent, Late Eocene–0 PreꞒ Ꞓ O S D C P T J K Pg N
	Hoatzin (Opisthocomus hoazin)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
(unranked):	Passerea
Order:	Opisthocomiformes; L'Herminier, 1837
Family:	Opisthocomidae; Swainson, 1837
Type species
	Phasianus hoazin; Muller, 1776
Genera
	?Foro †; Hoazinavis †; Hoazinoides †; Namibiavis †; Opisthocomus; Onychopteryx †; Protoazin †;
Synonyms
	?Foratidae; Hoazinoididae; ?Onychopterygidae

Opisthocomidae is a group of birds, the only named family within the order Opisthocomiformes. The only living representative is the hoatzin (Opisthocomus hoazin) which lives in the Amazon and the Orinoco delta in South America. Several fossil species have been identified, including one from Africa^[1] and one from Europe.^[2]

References

^ Mayr, G., Alvarenga, H. and Mourer-Chauviré, C. (2011). "Out of Africa: Fossils shed light on the origin of the hoatzin, an iconic Neotropic bird." Naturwissenschaften, doi:10.1007/s00114-011-0849-1 PMID 21964974
^ Gerald Mayr and Vanesa L. De Pietri (2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. in press. doi:10.1007/s00114-014-1144-8.

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[1] Mayr, G., Alvarenga, H. and Mourer-Chauviré, C. (2011). "Out of Africa: Fossils shed light on the origin of the hoatzin, an iconic Neotropic bird." Naturwissenschaften, doi:10.1007/s00114-011-0849-1 PMID 21964974

[2] Gerald Mayr and Vanesa L. De Pietri (2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. in press. doi:10.1007/s00114-014-1144-8.

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