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Opisthocomiformes

Reptilia - Opisthocomiformes

Taxonomy
Opisthocomiformes was named by L'Herminier (1837). It is extant.

It was assigned to Cuculimorphae by Livezey and Zusi (2007); to Aves by Mayr and De Pietri (2014); and to Aves by Mayr et al. (2011) and del Hoyo et al. (2014).

Subtaxa
Opisthocomidae

Synonymy list
YearName and author
1837Opisthocomiformes L'Herminier
2007Opisthocomiformes Livezey and Zusi p. 93
2011Opisthocomiformes Mayr et al.
2014Opisthocomiformes Mayr and De Pietri
2014Opisthocomiformes del Hoyo et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
RankNameAuthor
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
—Maniraptora
—Paraves
classAves
subclassNeornithesGadow 1893
—Neognathae(Pycraft 1900)
—NeoavesSibley et al. 1988
—Terrestrornithes
—Dendrornithes
—AnomalogonatesGarrod 1874
—CoccygesHuxley 1867
superorderCuculimorphaeSibley et al. 1988
orderOpisthocomiformesL'Herminier 1837
orderOpisthocomiformesL'Herminier 1837

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Or. Opisthocomiformes L'Herminier 1837
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Fm. Opisthocomidae Swainson 1837
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G. †Hoazinavis Mayr et al. 2011
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†Hoazinavis lacustris Mayr et al. 2011
G. †Hoazinoides Miller 1953
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†Hoazinoides magdalenae Miller 1953
G. †Namibiavis Mourer-Chauviré 2003
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†Namibiavis senutae Mourer-Chauviré 2003
G. Opisthocomus Illiger 1811
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Opisthocomus hoazin Muller 1776 [hoatzin]
G. †Protoazin Mayr and De Pietri 2014
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†Protoazin parisiensis Mayr and De Pietri 2014
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: solitaryo
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: carnivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:39:15
Modified: 2009-01-03 22:39:15
Source: subo = suborder, o = order
References: Benton 1983, Marsh 1875

Age range

Maximum range based only on fossils: base of the Priabonian to the top of the Middle Miocene or 38.00000 to 11.60800 Ma
Minimum age of oldest fossil (stem group age): 33.9 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Priabonian38.0 - 33.9France (Ile-de-France) Protoazin parisiensis (209402)
Deseadan29.0 - 21.0Brazil (Sao Paolo) Hoazinavis lacustris (206869)
Middle Miocene15.97 - 11.608Colombia (Huila) Hoazinoides magdalenae (85201)
Laventan - Mayoan13.8 - 10.0Colombia Hoazinoides magdalenae (13741)