''Tricleidus'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of cryptoclidid plesiosaur known from only specimen (BMNH R3539) from the middle

Jurassic The Jurassic ( ) is a Geological period, geologic period and System (stratigraphy), stratigraphic system that spanned from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period, approximately Mya. The J ...

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...

. It was first named by Andrews in

1909 Events January–February * January 4 – Explorer Aeneas Mackintosh of the Imperial Trans-Antarctic Expedition escaped death by fleeing across ice floes. * January 7 – Colombia recognizes the independence of Panama. * J ...

and the

type species In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen( ...

is ''Tricleidus seeleyi''. It was a relatively medium-sized plesiosaur, measuring long and weighing . Tricleidus skeletal

References

Cryptoclidids Middle Jurassic plesiosaurs of Europe Fossil taxa described in 1909 Taxa named by Charles William Andrews Oxford Clay Sauropterygian genera {{plesiosaur-stub

See also

References