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Orophosaurus

Reptilia - Sauropterygia

Taxonomy
Orophosaurus was named by Cope (1851) [Sepkoski's age data: K u]. It is not extant.

It was assigned to Plesiosauria by Williston (1903) and Sepkoski (2002).

Synonymy list
YearName and author
1851Orophosaurus Cope
1903Orophosaurus Williston p. 11
2002Orophosaurus Sepkoski, Jr.

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
RankNameAuthor
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Pistosauria(Baur 1890)
Plesiosauria(de Blainville 1835)
genusOrophosaurusCope 1851

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