Callovosaurus was a small, primitive iguanodontid (or, as some research suggests, possibly a dryosaurid) dinosaur that lived in Europe during the Late Jurassic period, around 145 million years ago. Callovosaurus, due to its long face, might have been the first ancestor of the iguanodontids.
Microceratops in some editions of the Jurassic Park novel.
Callovosaurus is set to be part of the "Attack Packs" assortment for the upcoming Primal Attack line in 2020. This will be the first time it has ever appeared in any Jurassic Park toy set. The coloration is blue with orange markings on the top of the body.