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Fresnosaurus drescheri

Osteichthyes - Plesiosauria - Elasmosauridae

Taxonomy
Fresnosaurus drescheri was named by Welles (1943). Its type specimen is CIT 2758, a set of postcrania (coracoids, humerus, pelvis, femora, and disarticulated paddle bones), and it is a 3D body fossil. Its type locality is LACM (CIT) 346, which is in a Maastrichtian marine horizon in the Moreno Formation of California.

Synonymy list
YearName and author
1943Fresnosaurus drescheri Welles
1962Fresnosaurus drescheri Welles pp. 3 & 73
2016Fresnosaurus drescheri O'Gorman p. 11

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

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.

Fresnosaurus drescheri Welles 1943
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Diagnosis
No diagnoses are available