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Anachronornis anhimops

Reptilia - Anseriformes - Anachronornithidae

Taxonomy
Anachronornis anhimops was named by Houde et al. (2023). Its type specimen is USNM 496700, a partial skeleton, and it is a 3D body fossil. Its type locality is Clark Quadrangle, which is in a Clarkforkian terrestrial horizon in the Willwood Formation of Wyoming. It is the type species of Anachronornis.

Synonymy list
YearName and author
2023Anachronornis anhimops Houde 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)
—PangalloanseraeGauthier and de Queiroz 2001
—GalloanseraeSibley and Ahlquist 1990
superorderGalloanserimorphae
orderAnseriformesWagler 1831
familyAnachronornithidae
genusAnachronornis
speciesanhimops

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.

†Anachronornis anhimops Houde et al. 2023
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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: volanto
Diet: herbivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 19:27:52
Modified: 2009-01-03 21:27:52
Source: o = order
References: Sedinger 1997, Marsh 1875

Age range: Clarkforkian or 56.20000 to 54.90000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Clarkforkian56.2 - 54.9USA (Wyoming) Anachronornis anhimops (type locality: 231027)