Tricleidus Explained

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]

One species, T. svalbardensis,[3] was moved into Colymbosaurus in 2012.[4] It was found in the Agardhfjellet Formation, Norway.

See also

Notes and References

  1. Ketchum, H. F. . Benson, R. B. J. . amp . 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 . 10.1111/j.1469-185X.2009.00107.x . 20002391. 12193439 .
  2. 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.
  3. Persson, P.O. (1962): Plesiosaurians from Spitsbergen. Norsk Polarinstitutt, Årbok 1961, p. 62-68. Oslo University Press, 169 pp.
  4. E. M.. Knutsen. P. S.. Druckenmiller. J.. Hurum. 2012. Redescription and taxonomic clarification of Tricleidus svalbardensis based on new material from the Agardhfjellet Formation (Middle Volgian). Norwegian Journal of Geology. 92. 175–186.

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