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Presbychen abavus

Reptilia - Anseriformes - Anatidae

Taxonomy
Presbychen abavus was named by Wetmore (1930). Its type specimen is USNM 11973, a limb element (distal right tibia), and it is a 3D body fossil. Its type locality is Sharktooth Hill Bonebed, which is in a Langhian terrestrial siltstone in the Temblor Formation of California.

Synonymy list
YearName and author
1930Presbychen abavus Wetmore p. 92
1933Presbychen abavus Lambrecht p. 373
1940Presbychen abavus Wetmore p. 22
1942Presbychen abavus Miller and DeMay p. 84
1956Presbychen abavus Wetmore p. 27
1964Presbychen abavus Brodkorb p. 212
1968Presbychen abavus Howard p. 14
1972Presbychen abavus Howard p. 10

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Eugnathostomata
—Teleostomi(Bonaparte 1836)
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
familyAnatidaeVigors 1825
subfamilyAnatinaeVigors 1825
genusPresbychen
speciesabavus

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.

†Presbychen abavus Wetmore 1930
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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: freshwatersubf
Locomotion: actively mobileo
Life habit: volantsubf
Diet: herbivoresubf
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 19:26:23
Modified: 2009-01-03 21:26:23
Source: subf = subfamily, o = order
References: Marsh 1875, Sedinger 1997

Age range: Langhian or 15.98000 to 13.82000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Langhian15.98 - 13.82USA (California) Presbychen abavus (type locality: 59059 59060 197289)
Langhian - Serravallian15.98 - 11.63USA (California) Presbychen abavus (121152)