Long hind and short front limbs

• May have been bipedal
• Primitive dinosaur actually lacking horns and having only the beginning of a frill

WordNet Word definitions in WordNet
n. primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind and short front limbs; may have been bipedal [syn: psittacosaur ]

Wikipedia Word definitions in Wikipedia
Psittacosaurus ( ; " parrot lizard ") is a genus of extinct ceratopsian dinosaur from the Early Cretaceous of what is now Asia , existing between 123.2 and 100 million years ago . It is notable for being the most species -rich dinosaur genus. Up to 11 species ...

Wiktionary Word definitions in Wiktionary
n. Any of several dinosaurs, of the genus (taxlink Psittacosaurus genus noshow=1), that lacked horns