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Euplesiosauria (disused)

Reptilia - Plesiosauria

Taxonomy
Euplesiosauria was named by O'Keefe (2001).

It was assigned to Plesiosauroidea by O'Keefe (2001).

Synonymy list
YearName and author
2001Euplesiosauria O'Keefe p. 19 fig. 20

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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
superfamilyPlesiosauroideaWelles 1943
—Euplesiosauria
—Euplesiosauria

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.

Unr. †Euplesiosauria O'Keefe 2001
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Diagnosis
ReferenceDiagnosis
F. R. O'Keefe 2001"Relative skull length short; anterior border of pineal foramen formed by frontal; long lateral and short medial posterior processes of squamosal; jugal confined to posterior orbit margin; supraoccipital deep with sigmoid ventral sutures; ectopterygoid contacts postorbital bar out of palate plane; distinct change in angle of cervical zygopophyses; anterior processes of scapula meet in median symphysis; longitudinal pectoral bar present, formed by coracoid and scapula; humerus not angled."