Species
Valid Extinct

Thalassomedon hanningtoni

Welles 1943

No Wikipedia summary available.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Sauroptérygiens
Carnivore aquatic, depth=surface Marine
🦴
PBDB ↗
Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Plesiosauroidea Superfamily
›
Elasmosauridae Family
›
Euelasmosaurida Unranked clade
›
Thalassomedon Genus
›
Thalassomedon hanningtoni Species
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Graneros Shale
1
Belle Fourche
1
Temporal distribution
Cenomanian (100.5–93.9 Ma)
2
Synonyms (1)
Alzadasaurus riggsi subjective synonym of Thalassomedon hanningtoni
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 (2)
K. Carpenter. 1999. Revision of North American elasmosaurs from the Cretaceous of the Western Interior. Paludicola 2(2):148-173
S. P. Welles. 1943. Elasmosaurid plesiosaurs with description of new material from California and Colorado. Memoirs of the University of California 13:125-254