Species
Valid Extinct

Hydrotherosaurus alexandrae

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
🦴
PBDB ↗
Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Plesiosauroidea Superfamily
›
Elasmosauridae Family
›
Euelasmosaurida Unranked clade
›
Elasmosaurinae Unranked clade
›
Hydrotherosaurus Genus
›
Hydrotherosaurus alexandrae Species
Fossil sites 1 geolocated sites
Distribution
Top countries
🇺🇸 United States
1
Geological formations
Moreno
1
Temporal distribution
Maastrichtian (72.2–66 Ma)
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)
S. P. Welles. 1940. Revision of Elasmosaurid Plesiosaurs.