†unranked clade Tricleidia O'Keefe 2001 (plesiosaur)
Full reference: F. R. O'Keefe. 2001. A cladistic analysis and taxonomic revision of the Plesiosauria (Reptilia: Sauropterygia). Acta Zoologica Fennica 213:1-63
Parent taxon: Cryptocleidoidea according to F. R. O'Keefe 2001
Sister taxa: none
Subtaxa: Aristonectidae
Ecology: aquatic carnivore
Distribution: there are no occurrences of Tricleidia in the database