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Nautilornis avus

Reptilia - Charadriiformes - Alcidae

Taxonomy
Nautilornis avus was named by Wetmore (1926). Its type specimen is CMNH 11358, a limb element (right humerus), and it is a 3D body fossil. Its type locality is Green River, which is in an Eocene terrestrial horizon in the Green River Formation of Utah. It is the type species of Nautilornis.

It was synonymized subjectively with Presbyornis pervetus by Ericson (2000).

Synonymy list
YearName and author
1926Nautilornis avus Wetmore p. 392
1930Nautilornis avus Hay p. 344
1933Nautilornis avus Lambrecht p. 549
1940Nautilornis avus Wetmore p. 62
1956Nautilornis avus Wetmore p. 78

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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()
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Theropoda()
Tetanurae
Coelurosauria()
Maniraptora
Paraves
classAves
orderCharadriiformesHuxley 1867
superfamilyAlcoidae(Stejneger 1885)
familyAlcidaeLeach 1820
subfamilyNautilornithinae
genusNautilornis
speciesavus

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.

Nautilornis avus Wetmore 1926
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Diagnosis
No diagnoses are available