Tricleidus

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
  • T. seeleyi Andrews, 1909 (type)

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.

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