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Megalneusaurus rex

Reptilia - Sauropterygia - Pliosauridae

Taxonomy
Cimoliosaurus rex was named by Knight (1895). Its type specimen is UW 4602, a set of limb elements (propodial and two sets of articulated epipodials with other elements), and it is a 3D body fossil. Its type locality is Gas Hills area 70km west of Casper (Megalneusaurus rex type locality), which is in an Oxfordian marine sandstone in the Sundance Formation of Wyoming.

It was recombined as Megalneusaurus rex by Knight (1898), Knight (1899) and Wahl et al. (2007).

Synonymy list
YearName and author
1895Cimoliosaurus rex Knight p. 449
1898Megalneusaurus rex Knight p. 378
1899Megalneusaurus rex Knight p. 6
2007Megalneusaurus rex Wahl et al. pp. 94-101

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
RankNameAuthor
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Pistosauria(Baur 1890)
Plesiosauria(de Blainville 1835)
familyPliosauridaeSeeley 1874
genusMegalneusaurus
speciesrex()

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