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Palaeastur atavus

Reptilia - Avetheropoda - Accipitridae

Taxonomy
Palaeastur atavus was named by Wetmore (1943). Its type specimen is H. C. 693, a limb element (distal end of right metatarsus), and it is not a trace fossil. Its type locality is Stenomylus Quarry, which is in a Harrisonian terrestrial horizon in the Harrison Formation of Nebraska. It is the type species of Palaeastur.

Synonymy list
YearName and author
1943Palaeastur atavus Wetmore p. 230

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
SauriaGauthier 1984
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Theropoda()
Neotheropoda
AverostraPaul 2002
Tetanurae
orderAvetheropoda
suborderCoelurosauria
Maniraptora
Paraves
classAves
orderAccipitriformes
familyAccipitridaeViellot 1816
genusPalaeastur
speciesatavus

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.

Diagnosis
No diagnoses are available