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Cryptoclidus eurymerus

Reptilia - Sauropterygia - Cryptoclididae

Taxonomy
Plesiosaurus eurymerus was named by Phillips (1871). Its type specimen is CAMSM specimen (Holotype; Sedgwick Museum, Cambridge) probably lost; BMNH R2860 (neotype almost complete skeleton), a partial skeleton (forelimb and vertebrae), and it is a 3D body fossil. Its type locality is Bedford marine reptiles, which is in a Callovian marine horizon in the Oxford Clay Formation of the United Kingdom. It is the type species of Cryptoclidus.

It was recombined as Cimoliosaurus eurymerus by Lydekker (1889) and Lydekker (1889); it was recombined as Cimoliosaurus eumerus by Seeley (1892); it was synonymized subjectively with Cryptocleidus oxoniensis by Andrews (1895); it was recombined as Cryptocleidus eurymerus by Delair (1960); it was recombined as Cryptoclidus eurymerus by Brown (1981), O'Keefe (2001), Gasparini et al. (2002) and Araujo et al. (2008); it was misspelled as Cimoliosaurus eumerus by Carrano (2017).

Synonyms
Synonymy list
YearName and author
1871Plesiosaurus eurymerus Phillips p. 315 fig. 120
1889Cimoliosaurus eurymerus Lydekker p. 209
1892Muraenosaurus (Cryptoclidus) platymerus Seeley
1892Plesiosaurus durobrivensis Seeley fig. 5
1892Cimoliosaurus eumerus Seeley p. 145
1892Muraenosaurus (Cryptoclidus) platymerus Seeley p. 145
1895Cryptoclidus platymerus Andrews p. 356
1915Apractocleidus teretipes Smellie p. 341
1960Cryptocleidus eurymerus Delair p. 66
1981Cryptoclidus eurymerus Brown p. 256
2001Cryptoclidus eurymerus O'Keefe p. 15
2002Cryptoclidus eurymerus Gasparini et al.
2008Cryptoclidus eurymerus Araujo et al. p. 24 fig. 4
2017Cimoliosaurus eumerus Carrano

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
RankNameAuthor
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Pistosauria(Baur 1890)
Plesiosauria(de Blainville 1835)
superfamilyPlesiosauroideaWelles 1943
Cryptoclidia
familyCryptoclididaeWilliston 1925
genusCryptoclidus()
specieseurymerus()

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