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Rhomaleosaurus zetlandicus

Reptilia - Plesiosauria - Rhomaleosauridae

Taxonomy
Plesiosaurus zetlandicus was named by Phillips (1854). Its type specimen is YORYM G503, a partial skeleton, and it is a 3D body fossil. Its type locality is Loftus, which is in a Toarcian offshore shale in the Alum Shale Formation of the United Kingdom.

It was misspelled as Plesiosaurus zetlandi by Tate and Blake (1876); it was recombined as Rhomaleosaurus zetlandicus by Phillips (1854), Taylor (1992), Cruickshank (1996) and O'Keefe (2001).

Synonyms
Synonymy list
YearName and author
1854Rhomaleosaurus zetlandicus Phillips
1876Plesiosaurus simpsoni Blake
1876Plesiosaurus propinquus Blake p. 247
1876Plesiosaurus propinquus Tate and Blake pp. 247-249 figs. pl. 2, fig. 1
1876Plesiosaurus zetlandi Tate and Blake pp. 249-250 figs. pl. 1, fig. 5
1889Thaumatosaurus propinquus Lydekker p. 170
1909Plesiosaurus propinquus Watson p. 3
1910Plesiosaurus propinquus Watson p. 1 figs. 1-8
1922Rhomaleosaurus thorntoni Andrews pp. 407-415 figs. pls 7-9
1992Rhomaleosaurus zetlandicus Taylor p. 249
1996Rhomaleosaurus zetlandicus Cruickshank pp. 109-113
2001Rhomaleosaurus zetlandicus O'Keefe p. 12

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
RankNameAuthor
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
familyRhomaleosauridaeNopcsa 1928
genusRhomaleosaurus
specieszetlandicus(Phillips 1854)

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.

†Rhomaleosaurus zetlandicus Phillips 1854
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Invalid names: Plesiosaurus propinquus Tate and Blake 1876 [synonym], Rhomaleosaurus thorntoni Andrews 1922 [synonym]
Diagnosis
No diagnoses are available