Tricleidus
Appearance
Tricleidus Temporal range: Middle Jurassic,
| |
---|---|
![]() | |
Holotype specimen | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Superorder: | †Sauropterygia |
Order: | †Plesiosauria |
Family: | †Cryptoclididae |
Subfamily: | †Cryptoclidinae |
Genus: | †Tricleidus Andrews, 1909 |
Species | |
|
Tricleidus is an extinct genus of cryptoclidid[1] plesiosaur known from only specimen (BMNH R3539) from the middle Jurassic of United Kingdom.[2] It was first named by Andrews in 1909 and the type species is Tricleidus seeleyi.[2]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Tricleidus_skeletal.jpg/220px-Tricleidus_skeletal.jpg)
One species, T. svalbardensis,[3] was moved into Colymbosaurus in 2012.[4] It was found in the Agardhfjellet Formation, Norway.
See also
[edit]References
[edit]- ^ Ketchum, H. F. & Benson, R. B. J. (2010). "Global interrelationships of Plesiosauria (Reptilia, Sauropterygia) and the pivotal role of taxon sampling in determining the outcome of phylogenetic analyses". Biological Reviews. 85 (2): 361–392. doi:10.1111/j.1469-185X.2009.00107.x. PMID 20002391. S2CID 12193439.
- ^ a b Andrews, C. W. (1910). "A Descriptive Catalogue of the Marine Reptiles of the Oxford Clay, Part I". British Museum (Natural History), London, England: 205 pp.
- ^ Persson, P.O. (1962): Plesiosaurians from Spitsbergen. Norsk Polarinstitutt, Årbok 1961, p. 62-68. Oslo University Press, 169 pp.
- ^ Knutsen, E. M.; Druckenmiller, P. S.; Hurum, J. (2012). "Redescription and taxonomic clarification of 'Tricleidus' svalbardensis based on new material from the Agardhfjellet Formation (Middle Volgian)" (PDF). Norwegian Journal of Geology. 92: 175–186.