Genus
Valid Extinct

Alzadasaurus

Welles 1943

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
Alzadasaurus
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Thalassomedon in the American Museum of Natural History Visit my blog at ideonexus.com © Ryan Somma · CC BY-SA 2.0 · Wikimedia
PBDB ↗
Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Plesiosauroidea Superfamily
›
Elasmosauridae Family
›
Alzadasaurinae Subfamily
›
Alzadasaurus Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇺🇸 United States
1
Geological formations
Bearpaw Shale
1
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Images 1
Bibliography
Original description
S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254
Bibliography (1)
D. G. Darby and R. W. Ojakangas. 1980. Gastroliths from an Upper Cretaceous plesiosaur. Journal of Paleontology 54(3):548-556