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Scanisaurus

Reptilia - Sauropterygia - Elasmosauridae

Taxonomy
Scanisaurus was named by Persson (1960) [Sepkoski's age data: K u].

It was assigned to Elasmosauridae by Persson (1960); and to Plesiosauria by Sepkoski (2002).

Synonymy list
YearName and author
1960Scanisaurus Persson p. 447
2002Scanisaurus Sepkoski, Jr.

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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
Xenopsaria
familyElasmosauridaeCope 1869
genusScanisaurus

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
ReferenceDiagnosis
P. O. Persson 1960"A dolichodiran Plesiosaurian with neck relatively shorter than in typical Elasmosaurids. The crown of the teeth high and slender, approximately elliptical in parabasal sections. The height of the cervical centra less than 2/3 of the breadth; the length of, at least, the seven hindmost cervical centra increasing forwards towards the head. Cervical ribs not fused with centra. Diaphysial parts of humeri and femora short and stout."