Unranked clade
Valid Extinct

Xenopsaria

Benson and Druckenmiller 2014

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
Xenopsaria
click to enlarge
Dolichorhynchops osborni, National Museum of Natural History, Washington D. C. © Ryan Somma · CC BY-SA 2.0 · Wikimedia
PBDB ↗
Classification
Sauropterygia Suborder
›
Plesiosauria Order
›
Xenopsaria Unranked clade
Fossil sites 1 geolocated sites
Distribution
Top countries
🇯🇵 Japan
1
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Images 1
Bibliography
Original description
R. B. J. Benson and P. S. Druckenmiller. 2014. Faunal turnover of marine tetrapods during the Jurassic–Cretaceous transition. Biological Reviews 89(1):1-23 DOI ↗
Bibliography (1)
D. Nakatani and H. Nakaya. 2023. A plesiosaur (Reptilia: Sauropterygia) from the Upper Cretaceous (Campanian) Izumi Group of Higashi Kagawa City, Kagawa Prefecture, South Western Japan. Fossils 113:5-16 DOI ↗