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Alzadasaurinae

Reptilia - Sauropterygia - Elasmosauridae

Taxonomy
Alzadasaurinae is a subfamily. Its type is Alzadasaurus.

It was assigned to Elasmosauridae by Welles (1962).

Synonymy list
YearName and author
1962Alzadasaurinae Welles p. 4

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
RankNameAuthor
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
orderSauropterygia
Pistosauria(Baur 1890)
Plesiosauria(de Blainville 1835)
superfamilyPlesiosauroideaWelles 1943
Cryptoclidia
Xenopsaria
familyElasmosauridaeCope 1869
subfamilyAlzadasaurinae
subfamilyAlzadasaurinae

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
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Environment: marineo
Locomotion: actively mobileo
Life habit: aquatico
Depth habitat: surfaceo
Diet: carnivoreo
Reproduction: viviparouso
Created: 2009-07-20 06:05:48
Modified: 2011-08-12 01:58:15
Source: o = order
Reference: Kiessling 2004

Age range: base of the Early/Lower Turonian to the top of the Late/Upper Campanian or 93.50000 to 70.60000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Turonian93.5 - 89.3USA (Kansas) Ogmodirus martini (117817)
Early/Lower Campanian83.5 - 70.6Canada (Northwest Territories) Alzadasaurinae indet. (106437)
Late/Upper Campanian83.5 - 70.6USA (Montana) Alzadasaurus sp. (102069)
Maastrichtian72.1 - 66.0USA (California) Fresnosaurus drescheri (76733) Morenosaurus stocki (76732 116613) Plesiosauria indet. (76734)