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Elasmosaurus marshi

Reptilia - Plesiosauria - Elasmosauridae

Taxonomy
Elasmosaurus marshi was named by Williston (1906). Its type specimen is YPM 1645, a set of postcrania, and it is not a trace fossil.

Synonymy list
YearName and author
1906Elasmosaurus marshi Williston pp. 229-230
1930Elasmosaurus marshi Hay p. 118

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
RankNameAuthor
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
suborderSauropterygia
orderPlesiosauriade Blainville 1835
superfamilyPlesiosauroideaWelles 1943
familyElasmosauridaeCope 1869
—Euelasmosaurida
—Elasmosaurinae
genusElasmosaurus
speciesmarshi

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.

†Elasmosaurus marshi Williston 1906
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Diagnosis
No diagnoses are available