Hypsilophodon (hip-si-LOAF-uh-don)
An Early Cretaceous ornithopod from South England, Portugal and South Dakota, USA [Greek hypselos, "high" + lophos, "crest" + odon, "tooth"]. Hypsilophodon had long, grooved, self-sharpening molars and more teeth at its horn-covered beek. It had short arms with five-fingered hands and long sprinter-legs with four-toed feet.
Length: 1,5-2,5 m