†unranked clade Thalattosauriformes Nicholls 1999 (diapsid)
Full reference: E. L. Nicholls. 1999. A reexamination of Thalattosaurus and Nectosaurus and the relationships of the Thalattosauria (Reptilia: Diapsida). PaleoBios 19(1):1-29
Parent taxon: Diapsida according to E. L. Nicholls 1999
See also Müller 2005 and Müller 2007
Sister taxa: Adelosaurus, Araeoscelidia, Archelosauria, Archosauromorpha, Diaptosauria, Dolerosaurus, Drepanosauromorpha, Endennasauridae, Eosuchia, Fremouwsauridae, Horaffia, Hupehsuchia, Ichthyosauromorpha, Lanthanolania, Microzemiotes, Palacrodon, Prodiapsida, Rysosteus, Sauropterygia, Saurosphargidae, Stauromatodon, Utahdactylus, Utahdactylus kateae
Subtaxa: Thalattosauria
Ecology: