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Opisthocomidae
Opisthocomidae
is a group of birds, the only named family within the order Opisthocomiformes. The only living representative is the hoatzin ( Opisthocomus
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] Phylogeny[edit] Based on the work of Mayr & De Pietri 2014.[2]

†Namibiavis

†Protoazin

†Hoazinavis

Opisthocomus

Taxonomy[edit]

Family Opisthocomidae
Opisthocomidae
Swainson 1837[3]

Genus ?†Foro Olson 1992 (mid-Eocene, USA) - cuculiform?

Species † Foro panarium Olson 1992

Genus ?†Hoatzi Thomas 1996 (Eocene, Argentina)

Species †Hoatzi panarium Thomas 1996

Genus ?†Onychopteryx Cracraft 1971 (Early Eocene of Argentina) – falconid? A nomen dubium

Species †Onychopteryx simpsoni Cracraft 1971

Genus
Genus
†Protoazin Mayr & De Pietri 2014 (late Eocene of France)

Species †Protoazin parisiensis Mayr & De Pietri 2014

Genus
Genus
Namibiavis Mourer-Chauviré 2003 (Middle Miocene of Namibia)

Species † Namibiavis senutae Mourer-Chauviré 2003

Genus
Genus
Hoazinavis Alvarenga, Mayr & Mourer-Chauviré 2011 (Late Oligocene and Early Miocene of Brazil)

Species † Hoazinavis lacustris Alvarenga, Mayr & Mourer-Chauviré 2011

Genus
Genus
Hoazinoides
Hoazinoides
Miller 1953 (middle Miocene of Colombia)

Species † Hoazinoides
Hoazinoides
magdalenae Miller 1953

Genus
Genus
Opisthocomus
Opisthocomus
Illiger 1811

Species Opisthocomus
Opisthocomus
hoazin (Müller 1776) Illiger 1811 [Phasianus hoazin Müller 1776]

References[edit]

^ Mayr G., Alvarenga H., Mourer-Chauviré C. (2011). "Out of Africa: Fossils shed light on the origin of the hoatzin, an iconic Neotropic bird". Naturwissenschaften. 98 (11): 961–6. doi:10.1007/s00114-011-0849-1. PMID 21964974. CS1 maint: Multiple names: authors list (link) ^ a b Gerald Mayr and Vanesa L. De Pietri (2014). "Earliest and first Northern Hemispheric hoatzin fossils substantiate Old World origin of a "Neotropic endemic"". Naturwissenschaften. 101 (2): 143–148. doi:10.1007/s00114-014-1144-8. PMID 24441712.  ^ Mikko's Phylogeny Archive [1] Haaramo, Mikko (2007). "Primitive Land-bird Assemblage". Retrieved 30 December 2015. 

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Birds (class: Aves)

Anatomy

Bird
Bird
anatomy Flight Eggs Feathers Plumage Beak Vision Dactyly Preen gland

Behaviour

Singing Intelligence Migration Sexual selection Lek mating Seabird
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Fossil birds

Archaeopteryx Omnivoropterygiformes Confuciusornithiformes Enantiornithes Chaoyangiiformes Patagopterygiformes Ambiortiformes Songlingornithiformes Apsaraviformes Gansuiformes Ichthyornithiformes Hesperornithes Lithornithiformes Dinornithiformes Aepyornithiformes Gastornithiformes

Human interaction

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Neornithes

Palaeognathae

Struthioniformes (ostriches) Rheiformes (rheas) Tinamiformes (tinamous) Apterygiformes (kiwis) Casuariiformes
Casuariiformes
(emus and cassowaries)

Neognathae

Galloanserae (fowls)

Anseriformes (waterfowls)

Anatidae (ducks)

Anatinae Anserinae

swans true geese

Aythyinae Dendrocygninae Merginae Oxyurinae Plectropterinae Stictonettinae Tadorninae Thalassorninae

Anhimidae

Anhima Chauna

Anseranatidae

Anatalavis Anseranas

Galliformes (landfowls- gamebirds)

Cracidae

Cracinae Oreophasinae Penelopinae

Megapodidae

Aepypodius Alectura Eulipoa Leipoa Macrocephalon Megapodius Talegalla

Numididae

Acryllium Agelastes Guttera Numida

Odontophoridae

Callipepla Colinus Cyrtonyx Dactylortyx Dendrortyx Odontophorus Oreortyx Philortyx Rhynchortyx

Phasianidae

Meleagridinae Perdicinae Phasianinae
Phasianinae
(pheasants and relatives) Tetraoninae

Neoaves

Columbea

Columbimorphae

Columbiformes
Columbiformes
(doves and pigeons) Mesitornithiformes (mesites) Pteroclidiformes (sandgrouses)

Mirandornithes

Phoenicopteriformes (flamingos) Podicipediformes (grebes)

Passerea

Otidimorphae

Cuculiformes (cuckoos) Musophagiformes (turacos) Otidiformes (bustards)

Strisores

Caprimulgiformes
Caprimulgiformes
(nightjars and relatives) Steatornithiformes Podargiformes Apodiformes
Apodiformes
(swifts and hummingbirds)

Opisthocomiformes

Opisthocomiformes
Opisthocomiformes
(hoatzin)

Cursorimorphae

Charadriiformes
Charadriiformes
(gulls and relatives) Gruiformes
Gruiformes
(cranes and relatives)

Phaethontimorphae

Phaethontiformes (tropicbirds) Eurypygiformes
Eurypygiformes
(kagu and sunbittern)

Aequornithes

Gaviiformes (loons or divers) Sphenisciformes (penguins) Procellariiformes
Procellariiformes
(albatrosses and petrels) Ciconiiformes
Ciconiiformes
(storks) Suliformes
Suliformes
(cormorants and relatives) Pelecaniformes
Pelecaniformes
(pelicans and relatives)

Australaves

Cariamiformes
Cariamiformes
(seriemas and relatives) Falconiformes (falcons and relatives) Psittaciformes (parrots) Passeriformes (perching birds)

Afroaves

Cathartiformes
Cathartiformes
(New World vultures and condors) Accipitriformes
Accipitriformes
(eagles and hawks) Strigiformes (owls) Coliiformes (mousebirds) Trogoniformes (trogons and quetzals) Leptosomatiformes (cuckoo roller) Bucerotiformes
Bucerotiformes
(hornbills and hoopoes) Coraciiformes
Coraciiformes
(kingfishers and rollers) Piciformes
Piciformes
(woodpeckers and relatives)

Category Portal Outline

Taxon identifiers

Wd: Q942816 EoL: 7597 EPPO: 1OPISF Fossilworks: 39307 GBIF: 5261 iNaturalist: 1624 ITIS: 176144 NCBI: 30417

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