Tricleidus
Encyclopedia
Tricleidus is an extinct genus
of cryptoclidid
plesiosaur
known from only specimen (BMNH R3539) from the middle Jurassic
of United Kingdom
. It was first named by Andrews in 1909
and the type species is Tricleidus seeleyi.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of cryptoclidid
Cryptoclididae
Cryptoclididae is a family of medium-sized plesiosaurs that lived from the Middle Jurassic to the Late Cretaceous. In 2010, Kaiwhekea was transferred to Leptocleididae and Aristonectes was transferred to Elasmosauridae.-Appearance:...
plesiosaur
Plesiosaur
Plesiosauroidea is an extinct clade of carnivorous plesiosaur marine reptiles. Plesiosauroids, are known from the Jurassic and Cretaceous Periods...
known from only specimen (BMNH R3539) from the middle Jurassic
Jurassic
The Jurassic is a geologic period and system that extends from about Mya to Mya, that is, from the end of the Triassic to the beginning of the Cretaceous. The Jurassic constitutes the middle period of the Mesozoic era, also known as the age of reptiles. The start of the period is marked by...
of United Kingdom
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
. It was first named by Andrews in 1909
1909 in paleontology
-Newly named dinosaurs:Data coutersy of George Olshevsky's dinosaur genera list and Dr. Jeremy Montague's dinosaur genus database.-New taxa:-Non-mammalian:-People:...
and the type species is Tricleidus seeleyi.