Were there any venomous dinosaurs?

Were there any venomous dinosaurs? There's been speculation, but no solid proof. Breakthroughs, discoveries, and DIY tips sent every weekday. It's one of the most memorable scenes in the original movie: the dinosaur spreads the frill around its neck and sprays deadly venom from its jaws. The frill (inspired by Australia's frilled lizard) is pure Hollywood fantasy.