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Xiphopeza

Reptilia

Taxonomy
Xiphopeza was named by Hitchcock (1848). It is considered to be a form taxon. Its type is Xiphopeza triplex.

It was assigned to Lacertilia by Hitchcock (1848); to Dinosauria by Lull (1904); to Reptilia by Lull (1917); to Amphibia by Kuhn (1958); and to Lacertoidea by Haubold (1974).

Species
X. triplex (type species)

Synonymy list
YearName and author
1848Xiphopeza Hitchcock p. 239
1904Xiphopeza Lull p. 526
1917Xiphopeza Lull p. 122
1958Xiphopeza Kuhn p. 18
1974Xiphopezia Haubold p. 38

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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
RankNameAuthor
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
genusXiphopeza

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.

G. †Xiphopeza Hitchcock 1848
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†Xiphopeza triplex Hitchcock 1848
Diagnosis
ReferenceDiagnosis
E. Hitchcock 1848Tetradactylous: three toes directed forward; the fourth being a prolongation backward of the outer toe. Heel stout, expanding posteriorly. Hind and fore feet unequal, resembling three swords, or daggers, in a complex sheath.