The company has picked up the UK and Ireland distribution rights to the one-week old camarasaurus dinosaur - which has been engineered to mimic life - from Ugobe Lifeforms.
Caleb Chung, the co-creator of Furby, is the brains behind Pleo, which is likely to retail for around £200 and will be backed by the full force of the Vivid sales and marketing machine.
Nick Austin, Vivid's CEO, said: "Technology stretches the boundaries of the imagination every year and the team at Ugobe have made the dream of owning a pet dinosaur a reality. Pleo is a phenomenon.
"We all talk of pushing back the boundaries... this product will blow the public away when we launch next summer."
Pleo will be revealed behind closed doors on Vivid's stand (SA33) at Toy Fair in January.