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Plesiotylosaurus

Reptilia - Mosasauridae

Taxonomy
Plesiotylosaurus was named by Camp (1942) [Sepkoski's age data: K Maes-u Sepkoski's reference number: 1069].

It was assigned to Tylosaurinae by Camp (1942); to Prognathodontini by Russell (1967); to Mosasauridae by McDowell and Bogert (1954) and Carroll (1988); to Squamata by Sepkoski (2002); and to Mosasaurinae by Dortangs et al. (2002), Bell and Polcyn (2005) and Driscoll et al. (2019).

Species

Synonymy list
YearName and author
1942Plesiotylosaurus Camp p. 18
1954Plesiotylosaurus McDowell and Bogert p. 132
1967Plesiotylosaurus Russell p. 167
1988Plesiotylosaurus Carroll
2002Plesiotylosaurus Dortangs et al.
2002Plesiotylosaurus Sepkoski
2005Plesiotylosaurus Bell and Polcyn p. 189
2019Plesiotylosaurus Driscoll et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
RankNameAuthor
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
classReptilia
Squamata()
familyMosasauridae
subfamilyMosasaurinaeGervais 1853
genusPlesiotylosaurus

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. †Plesiotylosaurus Camp 1942
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Diagnosis
ReferenceDiagnosis
C. L. Camp 1942Like Tylosaurus, but without extended rostrum, with larger pterygoid teeth, expanded prefrontals and shorter, stouter quadrate.