Basic info Taxonomic history Classification Relationships
Morphology Ecology and taphonomy External Literature Search Age range and collections

Leurospondylus

Reptilia - Sauropterygia - Elasmosauridae

Taxonomy
Leurospondylus was named by Brown (1913) [Sepkoski's age data: K u K Maes-l Sepkoski's reference number: 2].

It was assigned to Alzadasaurinae by Welles (1962); and to Elasmosauridae by Welles (1943), Carroll (1988) and Sepkoski (2002).

Synonymy list
YearName and author
1913Leurospondylus Brown p. 606
1943Leurospondylus Welles pp. 190-191
1962Leurospondylus Welles p. 4
1988Leurospondylus Carroll
2002Leurospondylus Sepkoski, Jr. p. 605

Is something missing? Join the Paleobiology Database and enter the data

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
genusLeurospondylusBrown 1913

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
J. J. Sepkoski 2002Vertebrae all short, much wider than long with articular faces flat. Ribs single-headed throughout. Coracoids without clavicular processes widely separated. Obturator foramina not separated? Ischia triradiate curved plates uniting at anterior-internal angle, posterior angles widely separated. Humerus and femur of equal length.