Cetiosauridae

Cetiosaurids Temporal range: Early Jurassic—Late Jurassic, 175–150 Ma PreЄ Є O S D C P T J K Pg N
Restoration of Cetiosaurus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	Dinosauria
Order:	Saurischia
Suborder:	†Sauropodomorpha
Clade:	†Gravisauria
Family:	†Cetiosauridae Lydekker, 1888
Subgroups
†Cetiosaurus †Patagosaurus? †Tehuelchesaurus?

Cetiosauridae is a family of sauropod dinosaurs. While traditionally a waste bin taxon containing various unrelated species, some recent studies have found that it may represent a natural clade. Additionally, at least one study has suggested that the mamenchisaurids may represent a sub-group of the cetiosaurids, which would be termed Mamenchisaurinae.