Callovosaurus

Callovosaurus Temporal range: Callovian ~164 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Illustration of the holotype femur
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	†Ornithischia
Clade:	†Neornithischia
Clade:	†Ornithopoda
Family:	†Dryosauridae
Genus:	†Callovosaurus Galton, 1980
Species:	†C. leedsi
Binomial name
†Callovosaurus leedsi Galton, 1980 (Lydekker, 1889)
Synonyms
Camptosaurus leedsi Lydekker, 1889

Callovosaurus (meaning "Callovian lizard") is a genus of iguanodontian dinosaur known from most of a left thigh bone discovered in Middle Jurassic-age rocks of England. At times, it has been considered dubious or a valid genus of basal iguanodontian, perhaps a dryosaurid.